There are plenty of cards to fill out your custom build and in-progress dream decks alike
Card Name Mana Cost Type Creature Human Assassin Rarity Rare rules Text , , Pay 1 life: Put a +1/+1 counter on this creature., , Remove X +1/+1 counters from this creature: It deals X damage to target creature
However, they have an alternate cost in addition to ink
This means it can become an intense damage sponge, and stacking damage counters can set up some of your other cards for a clean sweep when used in an Ancient deck
Still, the upside of this combo is insane and well worth playing towards
Polymorph by Samuel Leng Polymorph is generally not seen in Premodern due to Oath of Druids, Show and Tell, Natural Order, and Reanimate providing more efficient ways to cheat out creatures, but I like Samuel Lengs attempt