sabrina pokemon card full art Pokemon Gym Challenge Rare Holo Sabrina #20 Trainer Form Sabrina Uncommon · Deluxe Pack:

Just get two Undying creatures into play with an effect like Blood Artist, and youve won the game

FIRST DAY OF CLASS First Day of Class is far more niche than the cards weve looked at so far, but its a pretty nasty combo enabler so I thought it deserved a mention here

Apparently this does have some Commander use, because it was reprinted in Commander 2016, where various ramp cards that can be used to fix mana were crucial in the four color environment

(Plus Merlin, Shapeshifter in his own human form.) Each of the shapeshifting Merlin cards offers a different boon when they first arrive on the table and when they leave, presenting the opportunity to combine them with cards that cycle them in and out of your hand to stack up the benefits