
Whenever a player casts a creature spell, that player sacrifices a permanent of their choice unless they pay {1}.
Aether Barrier has 1 printing, first in Nemesis (2000). EDHREC ranks it #14,559 among Commander cards. It appears most in Grand Arbiter Augustin IV decks (1,000 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.