Card Codex

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17 May 2024: Card library updated.

Dire Undercurrents

3U/BU/B · Enchantment

Whenever a blue creature enters the battlefield under your control, you may have target player draw a card. Whenever a black creature enters the battlefield under your control, you may have target player discard a card.

Similar cards

Color identity:
NameManaTypeText
Invasion of Amonkhet 1UBBattle — Siege (As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) When Invasion of Amonkhet enters the battlefield, each player mills three cards, then each opponent discards a card and you draw a card. (To mill three cards, a player puts the top three cards of their library into their graveyard.)
Nightsnare 3BSorcery Target opponent reveals their hand. You may choose a nonland card from it. If you do, that player discards that card. If you don't, that player discards two cards.
Cavern Whisperer 4BCreature — Nightmare Mutate {3}{B} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Menace (This creature can't be blocked except by two or more creatures.) Whenever this creature mutates, each opponent discards a card. 4/4
Disinformation Campaign 1UBEnchantment When Disinformation Campaign enters the battlefield, you draw a card and each opponent discards a card. Whenever you surveil, return Disinformation Campaign to its owner's hand.
Jace's Erasure 1UEnchantment Whenever you draw a card, you may have target player mill a card.
Chains of Mephistopheles 1BEnchantment If a player would draw a card except the first one they draw in each of their draw steps, that player discards a card instead. If the player discards a card this way, they draw a card. If the player doesn't discard a card this way, they mill a card.
Overflowing Insight 4UUUSorcery Target player draws seven cards.
Ronin Warclub 3Artifact — Equipment Equipped creature gets +2/+1. Whenever a creature enters the battlefield under your control, attach Ronin Warclub to that creature. Equip {5} ({5}: Attach to target creature you control. Equip only as a sorcery.)
Traumatic Revelation 1BSorcery Target opponent reveals their hand. You may choose a creature or battle card from it. If you do, that player discards that card. If you don't, incubate 3. (Create an Incubator token with three +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)
Haggle RInstant — Adventure You may discard a card. If you do, draw a card. (Then exile this card. You may cast the creature later from exile.)
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