Irma, Part-Time Mutant
Legendary Creature — Human Mutant Shapeshifter · {2}{U}
At the beginning of combat on your turn, Irma becomes a copy of up to one other target creature you control, except her name is Irma, Part-Time Mutant and she has this ability. Then put a +1/+1 counter on her.
From €4.50 at Cardmarket