Tiny Leaders shrinking

Akroma, Cherubim of Wrath. 1WW 3/2. Pro black, pro red. "1: Until end of turn I gain one of Flying, Vigilance, Haste, Life link, or First strike."

Damia, Sage of Pebbles. UGB. 1/3 or 2/2. Natural Deathtouch or "B: Deathtouch until EoT". And "At the end of your draw step, draw until you have three cards in hand, then discard until you have three cards in hand."

Sidisi, Blood Ruler. BUG. 2/3. "Whenever Sidisi (enters the battlefield or) attacks, put the top three (two)  cards of your library into your graveyard." and "Whenever one or more creature cards are put into your graveyard from your library, put a 2/2 black Zombie creature token onto the battlefield."

Vorosh, the Hungering. BUG. 2/3. Dragon. Flying. "Whenever Vorosh, the Hungering deals combat damage to a player, you may pay 2G. If you do, put three +1/+1 counters on Vorosh."

Godo, Samurai Enforcer. 2R. Human Samurai 2/2. "EtB: Search your library for an equipment. Flip a coin. If heads, put it into play. If tails, put it into your hand." and "The first time I deal combat damage to a player each turn, untap all Samurai you control. After this phase you get an additional combat phase."

Karona, Forged goddess. (W/B)(W/B) (W/B)  5/5. Karona is not a creature unless your devotion is 5 or greater from creatures. Karona is all colors. Protection from creatures. Whenever a creature attacks, it gets +2/+1 until EoT.

Oros, the Slighted. WRB. Dragon. 2/3. Flying. When Oros deals combat damage to a player, you may pay 2W. If you do, deal two damage to each non-white creature.

Tariel, Redeemer  of Souls. WRB. Angel. 2/4. Flying,Vigilance. "T: Choose a creature card at random from target opponent's graveyard. Put that card onto the battlefield under your control. it gains haste. Exile it at the beginning of your next end step."

Zurgo Helmtaker. WRB. Orc Warrior. 4/1. "Zurgo attacks each combat if able.
Zurgo has indestructible as long as it's your turn." "Whenever a creature dealt damage by Zurgo this turn dies, put a +1/+1 counter on Zurgo."

Unchanged except cost due to smaller card pool heavily restricting effectiveness:
Kaalia of the Vast (+1 power even perhaps?)
The Mimeoplasm (potential alteration to take one thing from each yard, become one at random and turn the rest into a +1/+1 counter each)