Tiamat, 16th Champion

{x}, Sacrifice a land: Choose indestructible, flying, lifelink, trample, or hexproof. Up to X target
Humans and/or Dragons each gain that ability until
end of turn.

Whenever a creature you control deals combat
damage to a player, you may put a land card from
your graveyard onto the battlefield for each of that creature's colors.

Queen of all dragons.