
Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)
Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)
Throes of Chaos has 8 printings, first in Modern Horizons (2019). EDHREC ranks it #5,483 among Commander cards. It appears most in Averna, the Chaos Bloom decks (4,578 on EDHREC). 3 public decks on TCG run it. It has 11 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.