mtg tiny cards Foundations Rare Tinybones, Bauble Burglar #72 exile it from their graveyard with a stash counter on it MTG Throne of Eldraine ELD

Typically, targeted discard like Duress and Thoughtseize are the gold standard, but as far as brute power goes, Hymn is the best discard spell ever

And speaking of card value, if you play Commander at all or know people who do, you gotta check out Tony Mayers article on the other piece of this update, the Commander Workshop

the target does not need to have any +1/+1 counters on it

This is the ultimate way to keep your enchantments safe while also preventing you from targeting them with your own cards

Transmute is from the original Ravnica set

Citadel can get clogged up on the likes of lands, but the things you need to play to help solve that problem are not held up by the Game Changer list at all, Senseis Divining Top being chief among them (a card I probably would add)