Amped Raptor
From Modern Horizons 3 set
Amped Raptor
Creature — Dinosaur
2/1
First strike
When this creature enters, you get
(two energy counters). Then if you cast it from your hand, exile cards from the top of your library until you exile a nonland card. You may cast that card by paying an amount of
equal to its mana value rather than paying its mana cost.