Tiamat, Force of Dragons

Sacrifice a land: Tiamat, Force of Dragons gains hexproof and indestructible until end of turn.

Whenever an opponent casts a spell during your
turn, Tiamat deals 2 damage to that player.

Whenever Tiamat deals damage to a player, you
may put a land card from your graveyard onto the battlefield tapped.

"Fight alongside heart."