Cross-Z theme deck (edited)

Awakening Flame Vassal - Cross-Z Dragon
★★★★
FIRE
Dragon/Tuner/Effect
ATK 1800
DEF 200
Once per turn: You can declare a number from 1 to 4; this card's Level is increased by the declared number, until the end of this turn. You can Tribute this card; Special Summon 1 FIRE Dragon Synchro Monster from your Extra Deck, whose Level equals this card's Level on the field. (This is treated as a Synchro Summon.) You can only use this effect of "Awakening Flame - Cross-Z Dragon" once per turn.

Burning Dragon - Cross-Z
★★★★★
FIRE
Dragon/Synchro/Effect
ATK 2200
DEF 200
1 Tuner + 1+ non-Tuner monsters
Once per turn: You can discard 1 card, then target 1 face-up card with the same type of card (Monster, Spell, or Trap) as the discarded card your opponent controls; banish it. Once per turn, during the next Standby Phase after this card was sent to the GY: You can target 1 "Awakening Flame Vassal - Cross-Z Dragon" in your GY; Special Summon it.

Hot Muscle Dragon - Cross-Z Magma
★★★★★★★★
FIRE
Dragon/Synchro/Effect
ATK 3000
DEF 200
1 Tuner + 1+ non-Tuner monsters
After damage calculation, if this card attacked an opponent's monster: Destroy all Spells and Traps your opponent controls. Once per turn, when a card effect is activated in the GY (Quick Effect): You can discard 1 card; negate the activation. Once per turn, during the next Standby Phase after this card was sent to the GY: You can target 1 "Awakening Flame Vassal - Cross-Z Dragon" in your GY; Special Summon it.

Full-Armored Dragon - Great Cross-Z
★★★★★★★
FIRE
Dragon/Synchro/Effect
ATK 2700
DEF 200
1 Tuner + 1+ non-Tuner monsters
Once per turn, during the Damage Step, when a Spell/Trap Card, or monster effect, is activated (Quick Effect): You can negate the activation, and if you do, this card gains 300 ATK until the end of this turn. Once per turn, during the next Standby Phase after this card was sent to the GY: You can target 1 "Awakening Flame Vassal - Cross-Z Dragon" in your GY; Special Summon it.

Surging Dragon - Cross-Z Charge
★★★★★★
FIRE
Dragon/Synchro/Effect
ATK 2500
DEF 200
1 Tuner + 1+ non-Tuner monsters
Once per turn, when this card battles an opponent’s monster, during damage calculation: You can send 1 Dragon monster from your hand to the GY; that opponent's monster loses ATK equal to the Level of the sent monster x 200 until the end of this turn. Once per turn, during the next Standby Phase after this card was sent to the GY: You can target 1 "Awakening Flame Vassal - Cross-Z Dragon" in your GY; Special Summon it.

Overflowing Power
Quick-Play Spell
Special Summon 1 "Awakening Flame Vassal - Cross-Z Dragon" from your Deck, but it cannot attack, also destroy it during the End Phase. If a FIRE Dragon monster(s) you control would be destroyed, you can banish this card from your GY instead.

Burning My Soul
Continuous Trap
Each time a FIRE Dragon monster is Normal or Special Summoned to your field, place 1 Cross-Z Counter on this card (max. 4). If this card in its owner's control leaves the field because of an opponent's card effect while it had a Cross-Z Counter: You can activate 1 of the following effects, depending on the number of Cross-Z Counters it had.
● 1: Special Summon 1 "Burning Dragon - Cross-Z" from your Extra Deck. (This is treated as a Synchro Summon.)
● 2: Special Summon 1 "Surging Dragon - Cross-Z Charge" from your Extra Deck. (This is treated as a Synchro Summon.)
● 3: Special Summon 1 "Full-Armored Dragon - Great Cross-Z" from your Extra Deck. (This is treated as a Synchro Summon.)
● 4: Special Summon 1 "Hot Muscle Dragon - Cross-Z Magma" from your Extra Deck. (This is treated as a Synchro Summon.)
You can only use this effect of "Burning My Soul" once per turn.

Surging Magma
Equip Spell
Activate this card by targeting 1 FIRE Dragon Synchro Monster in your GY; Special Summon it and equip it with this card. When this card leaves the field, destroy that monster. Once per turn, if this card is equipped to a monster; You can target 1 card in the equipped monster's column; destroy it.

Burning Maiden - Cross-Z Cheer
★
FIRE
Dragon/Effect
ATK 200
DEF 200
You can discard this card; add 1 "Cross-Z" monster from your Deck to your hand, except "Burning Maiden - Cross-Z Cheer". You can banish this card from your GY, then target 1 FIRE Dragon Synchro Monster in your GY; Special Summon that target. You can only use 1 "Burning Maiden - Cross-Z Cheer" effect per turn, and only once that turn.

Awakened Flame Guardian - Cross-Z Twindragon
FIRE
Dragon/Link/Union/Effect
ATK 1800
LINK-2
BL BR
2 monsters, including at least 1 FIRE Dragon Synchro Monster
If this card is Special Summoned: You can target 1 FIRE Dragon Synchro Monster in your GY; Special Summon that target. You can only use this effect of "Awakened Flame Guardian - Cross-Z Twindragon" once per turn. Once per turn, you can either: Target 1 FIRE Dragon Synchro Monster you control; equip this card to that target, OR: Unequip this card and Special Summon it. The equipped monster can make up to 2 attacks during each Battle Phase, also if the equipped monster would be destroyed by battle or card effect, destroy this card instead.

Awakened Flame Guardian - Cross-Z Drake
★★★
FIRE
Dragon/Effect
ATK 1200
DEF 200
You can discard 1 other card; Special Summon this card from your hand. If this card is sent from the field to the GY: You can target 1 "Awakening Flame Vassal - Cross-Z Dragon" in your GY; Special Summon it. You can only use each effect of "Awakened Flame Guardian - Cross-Z Drake" once per turn.

Awakened Flame Guardian - Cross-Z Xiaolong
★★
FIRE
Dragon/Effect
ATK 800
DEF 200
If you control a FIRE Dragon Synchro Monster and this card is in your GY: You can Special Summon this card, but banish it if it leaves the field. You can Tribute this card; Special Summon 1 "Awakening Flame Vassal - Cross-Z Dragon" from your hand, Deck, or GY. You can only use each effect of "Awakened Flame Guardian - Cross-Z Xiaolong" once per turn.

Awakened Flame Guardian - Cross-Z Dragohawk
FIRE
Dragon/Link/Effect
ATK 2300
LINK-3
BL B BR
2+ FIRE Dragon monsters
Gains 500 ATK for each FIRE Dragon Synchro Monster it points to. You can only use each of the following effects of "Awakened Flame Guardian - Cross-Z Dragohawk" once per turn.
● You can target 1 Level 4 or lower FIRE Dragon monster in your GY; Special Summon it.
● You can Tribute 1 FIRE Dragon monster this card points to; Special Summon 1 FIRE Dragon Synchro Monster from your Extra Deck, whose Level equals the Level the Tributed monster had on the field + 3. (This is treated as a Link Summon.)

Burst Dragon - Cross-Z Blue Flame
★★★★★★★
FIRE
Dragon/Synchro/Effect
ATK 2300
DEF 3000
1 Tuner + 1+ non-Tuner monsters
Once per turn: You can target 1 monster your opponent controls; destroy it, and if you do, inflict damage to your opponent equal to its original ATK. This card cannot attack the turn you use this effect. Once per turn, during the next Standby Phase after this card was sent to the GY: You can target 1 "Awakening Flame Vassal - Cross-Z Dragon" in your GY; Special Summon it.