cards cannot be exiled mtg Boarding Party (CMR) #163 All cards will be carefully packed for safe transit. Exiling in MTG: Rules, FAQs

That is a bit of a corner case but I mostly just wanted people to know about it

2024-06-07 Some triggered abilities state that you "may pay" a certain amount of

There are going to be some occasions where you have very few noncreatures, and the creatures you do have are mostly the same type, and on those occasions it might make the cut, but most of the time it wont There are enough Caves to get this going in some decks, and if your deck can take the hit to your mana this causes, its a pretty good creature land There arent that many lands it will be exciting to copy, but I guess copying some of the Discover lands isnt too bad

The other text that cares about cards leaving your graveyard makes this situational, but there are more and more decks that reanimate, recur, or exile cards from your graveyard these days