Donphan

Trample, Evolve

Rollout — Whenever Donphan attacks, put a
+1/+1 counter onto it. Donphan must attack each
turn if able.

Headlong Rush — {g}{g}{1}, {t}, Sacrifice Donphan:
Reveal the top X cards of your deck, where X is
equal to Donphan's power. Add one of those cards
to your hand & return the rest to your deck.
Shuffle afterwards.