Foraging Ooze

{u}{b}: Exile target card from a graveyard. If it was
an instant or sorcery card, put a +1/+1 counter
on Foraging Ooze, then surveil 1. (Look at the
top card of your library. You may put it into your
graveyard.)
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It consumed the spells known by the most skilled
planeswalker and used them as its power.