Effluence Vat

{2}, Exile a creature card from your graveyard:
Create an X/X green Ooze creature token, where
X is that card's power. Activate only as a sorcery.
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When you were a tadpole and I was a fish, in the
Paleozoic time and side by side in the sluggish tide, we sprawled in the ooze and slime.