Serum Sovereign

four generic mana one blue mana Creature — Phyrexian SphinxPower and toughness4/4

Flying

Whenever you cast a noncreature spell, put an oil counter on this creature.

one blue mana , Remove an oil counter from this creature: Draw a card, then scry 2.

A thousand riddles, each with a single answer: "The glory of Phyrexia."

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Showing Phyrexia: All Will Be One#405

Price

0.33 $

Foil 0.34 $

13 printings

Daily estimate from Scryfall, not a shop quote.

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Serum Sovereign rulings

2023-02-04
Removing an oil counter is part of the cost to activate Serum Sovereign's last ability. Players can't respond with a spell or ability that removes counters to prevent you from drawing a card and scrying 2.

Serum Sovereign keyword rules

Scry Rule 701.18

To “scry N” means to look at the top N cards of your library, then put any number of them on the bottom of your library in any order and the rest on top of your library in any order.

If a player is instructed to scry 0, no scry event occurs. Abilities that trigger whenever a player scries won’t trigger.

If multiple players scry at once, each of those players looks at the top cards of their library at the same time. Those players decide in APNAP order (see rule ) where to put those cards, then those cards move at the same time.

An ability that triggers whenever a player scries triggers after the process described in rule is complete, even if some or all of those actions were impossible.

Flying Rule 702.9

Flying is an evasion ability.

A creature with flying can’t be blocked except by creatures with flying and/or reach. A creature with flying can block a creature with or without flying. (See rule , “Declare Blockers Step,” and rule , “Reach.”)

Multiple instances of flying on the same creature are redundant.