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17 May 2024: Card library updated.

Serum Sovereign

4U · Creature — Phyrexian Sphinx

Flying Whenever you cast a noncreature spell, put an oil counter on Serum Sovereign. {U}, Remove an oil counter from Serum Sovereign: Draw a card, then scry 2. 4/4

Similar cards

Color identity:
NameManaTypeText
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Second Guess 1UInstant Counter target spell that's the second spell cast this turn.
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Out Cold 3UInstant This spell can't be countered. (This includes by the ward ability.) Tap up to two target creatures and put a stun counter on each of them. Investigate. (If a permanent with a stun counter would become untapped, remove one from it instead.)
Psychic Frog UBCreature — Frog Whenever Psychic Frog deals combat damage to a player or planeswalker, draw a card. Discard a card: Put a +1/+1 counter on Psychic Frog. Exile three cards from your graveyard: Psychic Frog gains flying until end of turn. 1/2
Gravelgill Duo 2U/BCreature — Merfolk Rogue Warrior Whenever you cast a blue spell, Gravelgill Duo gets +1/+1 until end of turn. Whenever you cast a black spell, Gravelgill Duo gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.) 2/1
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