One on One archetype

One on One Overlord
Level 9/FIRE/Warrior/Effect
3000ATK/3000DEF
Cannot be Normal Summoned/Set. Must first be Special Summoned by a card effect during the Battle Phase. When your opponent's monster attacks directly while this card is in your hand: You can Special Summon this card from your hand at the start of the Damage Step, change the attack target to it and proceed to Damage Calculation, and if you do, you can play 1 "One on One Ordeal" from your Deck or GY to your Field Zone. You can only use this effect of "One on One Overlord" once per turn.

One on One Ordeal
Field Spell
Activate only if you control "One on One Overlord". Each player can only attack with 1 monster each turn, and neither player can attack directly. When monsters battle, neither player can activate monster effects until the end of the Damage Step, except for the activated effects of the battling monsters. If "One on One Overlord" leaves the field, destroy this card.

One on One Overflow
Continuous Trap
When "One on One Overlord" destroys an opponent's monster by battle with equal or higher ATK: You can inflict 1000 damage to your opponent after Damage Calculation. You can banish this card from your hand or field: Add 1 "One on One Overload" from your Deck to your hand, then you can send 1 "One on One Ordeal" from your hand to the GY. You can only use this effect of "One on One Overflow" once per turn.

One on One Overthrow
Continuous Trap
If "One on One Overlord" battles opponent's monster with higher ATK: You can banish 1 card from your hand; until the end of the damage step, the current ATK of the battling monsters are swapped. You can banish this card from your hand or field: Add 2 "One on One" Spell/Trap from your Deck to your hand, except "One on One Overthrow". You can only use this effect of "One on One Overthrow" once per turn.

One on One Overwhelm
Continuous Trap
If your opponent's monster activates a card or effect during the Battle Phase while you control "One on One Overlord": You can discard 1 card; negate that effect. You can banish this card from your hand or field: Return 1 banished "One on One" card to your hand, except "One on One Overwhelm". You can only control 1 "One on One Overwhelm".

One on One Obliteration
Quick Play Spell
If you control "One on One Overlord": Target 1 monster your opponent controls; destroy all monsters your opponent controls, except the target. Can only be used on your turn if "One on One Overlord" is the only monster you control. You can only use 1  "One on One Obliteration" per turn.

One on One Outrage
Normal Spell
Target 1 "One on One Overload" you control: Double its ATK until the end of the next Battle Phase. Until your next Main Phase, the damage both players take is halved. You can banish this card from your hand or GY: Set 1 "One on One" Spell/Trap from your Deck to your field, and it can be activated that turn. You can only use 1 "One one One Outrage" effect per turn, and only once that turn.