Mercurial Geists - Eldritch Moon

Mercurial Geists

Creature — Spirit

Flying

Whenever you cast an instant or sorcery spell, Mercurial Geists gets +3/+0 until end of turn.

"Procedural misstep: provocation of geists for the purpose of yielding more energy can compromise containment units. Next action: clean up mess."

—Laboratory notes

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Legalities