yugioh card polymerization (A) - SGX1-ENA12 - Common up to the number of monsters your opponent controls Heavy Polymerization | Yu-Gi-Oh TCG

Clarabelle's five strength, six willpower, and two lore all get the job done, but the Keep in Step ability is the main draw

And then it hit me - what if the set had cards other than spikes that could sacrifice +1/+1 counters for effects

4 Bloodthirsty Conqueror Enables Infinite Combos in Draft Gain and Drain Your Way to Victory Much has already been made of Bloodthirsty Conqueror's built-in combo potential with staple life-drain enchantments Exquisite Blood and Tainted Remedy, but in MTG Foundations , this fearsome Vampire Knight also can infinitely drain opponents out of the game with the help of a common reprint, Marauding Blight-Priest, a returning reprint from Zendikar Rising

And then there are exemptions galore