Titanbeak Thundergriffin

Flying, lifelink
When a spell or ability targets Titanbeak Thundergriffin you may choose to counter that
spell unless the player who casted the spell pays {5}. If they do, they take 4 damage and mills the
top 4 cards of their library.
Titanbeak Thundergriffin has deathtouch as long
as you have another creature with power 4 or
greater on the battlefield.