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
Trespasser il-Vec 2BCreature — Human Rogue Discard a card: Trespasser il-Vec gains shadow until end of turn. (It can block or be blocked by only creatures with shadow.) 3/1
Snowfall 2UEnchantment Cumulative upkeep {U} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever an Island is tapped for mana, its controller may add an additional {U}. If that Island is snow, its controller may add an additional {U}{U} instead. Spend this mana only to pay cumulative upkeep costs.
Corpse Cur 4Artifact Creature — Phyrexian Dog Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) When Corpse Cur enters the battlefield, you may return target creature card with infect from your graveyard to your hand. 2/2
Whirlpool Warrior 2UCreature — Merfolk Warrior When Whirlpool Warrior enters the battlefield, shuffle the cards from your hand into your library, then draw that many cards. {R}, Sacrifice Whirlpool Warrior: Each player shuffles the cards from their hand into their library, then draws that many cards. 2/2
Sacred Rites WInstant Discard any number of cards. Creatures you control get +0/+1 until end of turn for each card discarded this way.
Deepwood Drummer 1GCreature — Human Spellshaper {G}, {T}, Discard a card: Target creature gets +2/+2 until end of turn. 1/1
Searing Blaze RRInstant Searing Blaze deals 1 damage to target player or planeswalker and 1 damage to target creature that player or that planeswalker's controller controls. Landfall — If you had a land enter the battlefield under your control this turn, Searing Blaze deals 3 damage to that player or planeswalker and 3 damage to that creature instead.
Shadowmage Infiltrator 1UBCreature — Human Wizard Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Whenever Shadowmage Infiltrator deals combat damage to a player, you may draw a card. 1/3
Herald's Reveille USorcery Draw a card. If a permanent you controlled explored this turn, seek a Merfolk card instead.
Rustic Clachan Land As Rustic Clachan enters the battlefield, you may reveal a Kithkin card from your hand. If you don't, Rustic Clachan enters the battlefield tapped. {T}: Add {W}. Reinforce 1—{1}{W} ({1}{W}, Discard this card: Put a +1/+1 counter on target creature.)
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