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Mystery Booster
Mercurial Geists
CA$0.50
Description
| Set: | Mystery Booster |
| Type: | Creature — Spirit |
| Rarity: | Uncommon |
| Cost: |    |
Flying
Whenever you cast an instant or sorcery spell, Mercurial Geists gets +3/+0 until end of turn.
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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