Serum Sovereign
Phyrexia: All Will Be One — Rare
Creature — Phyrexian Sphinx
Sets Serum Sovereign has been printed in:

Phyrexia: All Will Be One — Rare
Creature — Phyrexian Sphinx
Sets Serum Sovereign has been printed in:

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Creature — Phyrexian Wizard (2/1)
Whenever you cast a noncreature spell, put an oil counter on Atmosphere Surgeon.
Remove an oil counter from Atmosphere Surgeon: Target creature gains flying until end of turn. Activate only as a sorcery.
Creature — Phyrexian Beast (1/1)
Haste
Whenever you cast a noncreature spell, put an oil counter on Sawblade Scamp.
, Remove an oil counter from Sawblade Scamp: It deals 1 damage to each opponent.
Creature — Phyrexian Chimera (2/4)
Flying
Whenever you cast a noncreature spell, put an oil counter on Serum-Core Chimera.
Remove three oil counters from Serum-Core Chimera: Draw a card. Then you may discard a nonland card. When you discard a card this way, Serum-Core Chimera deals 3 damage to target creature or planeswalker. Activate only as a sorcery.
Artifact
Whenever a creature you control dies, scry 1 and put an oil counter on Norn's Wellspring.
, , Remove two oil counters from Norn's Wellspring: Draw a card.
Creature — Phyrexian Elf Druid (1/2)
: Put an oil counter on Rustvine Cultivator.
, Remove an oil counter from Rustvine Cultivator: Untap target land.
Land — Sphere
The Monumental Facade enters with two oil counters on it.
: Add .
, Remove an oil counter from The Monumental Facade: Put an oil counter on target artifact or creature you control. Activate only as a sorcery.
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