Belisaur, Praedator Sovereign

Flying
Creatures can't attack you or a planeswalker you control unless their controller pays {x} for each of
those creatures, where X is the number of
creatures they control up to 3.
Noncreature spells your opponents cast cost {x} more to cast, where X is the number of cards
that share a card type with that spell in their graveyard up to 3.