mtg onslaught card Magic: The Gathering - where X is the greatest power among creatures you control as you cast this spell. Complicate Onslaught NM Blue Uncommon

There are also another 10 cards that reference walls, either by directly interacting with them, or by specifically mentioning non-wall creatures in their text

An Indestructible 10/10 is a sure threat to anyone's creatures and life points, but Ulamog, the Ceaseless Hunger 's powers of exile are potent in themselves

It combined with dredge and other graveyard mechanics in very powerful and often unfortunate ways

And don't let your entire strategy fall apart if your opponent casts a Thoughtseize

In my first round against Pedro Perrini, we played a game 3 where his White/Red aggro deck put me down to one lifewhile he had only Mountain for the first 10 turns or so

Suspend is in a similar spot, where its effectively exile target creature at that point in the game