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17 May 2024: Card library updated.

Aether Barrier

2U · Enchantment

Whenever a player casts a creature spell, that player sacrifices a permanent unless they pay {1}.

Similar cards

Color identity:
NameManaTypeText
Living Breakthrough Enchantment Creature — Moonfolk Flying Whenever you cast a spell, your opponents can't cast spells with the same mana value as that spell until your next turn. 3/3
Tergrid's Shadow 3BBInstant Each player sacrifices two creatures. Foretell {2}{B}{B} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)
Assimilate Essence 1UInstant Counter target creature or battle spell unless its controller pays {4}. If they do, you incubate 2. (Create an Incubator token with two +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)
Sphinx of New Prahv WWUUCreature — Sphinx Flying, vigilance Spells your opponents cast that target Sphinx of New Prahv cost {2} more to cast. 4/3
Seedtime 1GInstant Cast this spell only during your turn. Take an extra turn after this one if an opponent cast a blue spell this turn.
Flux Channeler 2UCreature — Human Wizard Whenever you cast a noncreature spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) 2/2
Warmth 1WEnchantment Whenever an opponent casts a red spell, you gain 2 life.
Umbilicus 4Artifact At the beginning of each player's upkeep, that player may pay 2 life. If they don't, they return a permanent they control to its owner's hand.
Choice of Damnations 5BSorcery — Arcane Target opponent chooses a number. You may have that player lose that much life. If you don't, that player sacrifices all but that many permanents.
Double Down 3UEnchantment Whenever you cast an outlaw spell, copy that spell. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws. Copies of permanent spells become tokens.)
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