Ogre Savant

When this creature enters, flip a coin. If you lose the flip, return this creature to its owner's hand.

When this creature enters, destroy target artifact.

Whenever you cast a Spirit or Arcane spell, you may return this creature to its owner's hand.

Flying (This creature can't be blocked except by creatures with flying or reach.)

When this creature dies, return it to its owner's hand.

Flying

When this creature dies, return it to its owner's hand.

: Return this creature to its owner's hand.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

When this creature enters, return a land you control to its owner's hand.