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
Sangromancer 2BBCreature — Vampire Shaman Flying Whenever a creature an opponent controls dies, you may gain 3 life. Whenever an opponent discards a card, you may gain 3 life. 3/3
The Master, Transcendent 1BGULegendary Artifact Creature — Mutant When The Master, Transcendent enters the battlefield, target player gets two rad counters. {T}: Put target creature card in a graveyard that was milled this turn onto the battlefield under your control. It's a green Mutant with base power and toughness 3/3. (It loses its other colors and creature types.) 2/4
Dragon's Hoard 3Artifact Whenever a Dragon enters the battlefield under your control, put a gold counter on Dragon's Hoard. {T}, Remove a gold counter from Dragon's Hoard: Draw a card. {T}: Add one mana of any color.
Marketwatch Phantom 1WCreature — Spirit Detective Whenever another creature with power 2 or less enters the battlefield under your control, Marketwatch Phantom gains flying until end of turn. 2/2
Balor 3RRCreature — Demon Flying Whenever Balor attacks or dies, choose one or more. Each mode must target a different player. • Target opponent draws three cards, then discards three cards at random. • Target opponent sacrifices a nontoken artifact. • Balor deals damage to target opponent equal to the number of cards in their hand. 5/5
Magister Sphinx 4WUBArtifact Creature — Sphinx Flying When Magister Sphinx enters the battlefield, target player's life total becomes 10. 5/5
Ghastly Conscription 5BBSorcery Exile all creature cards from target player's graveyard in a face-down pile, shuffle that pile, then manifest those cards. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)
River Sneak 1UCreature — Merfolk Warrior River Sneak can't be blocked. Whenever another Merfolk enters the battlefield under your control, River Sneak gets +1/+1 until end of turn. 1/1
Noble Heritage 1WLegendary Enchantment — Background Commander creatures you own have "When this creature enters the battlefield and at the beginning of your upkeep, each player may put two +1/+1 counters on a creature they control. For each opponent who does, you gain protection from that player until your next turn." (You can't be targeted, dealt damage, or enchanted by anything controlled by that player.)
Clackbridge Troll 3BBCreature — Troll Trample, haste When Clackbridge Troll enters the battlefield, target opponent creates three 0/1 white Goat creature tokens. At the beginning of combat on your turn, any opponent may sacrifice a creature. If a player does, tap Clackbridge Troll, you gain 3 life, and you draw a card. 8/8
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