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
Near Mint - $0.20
Lightly Played - $0.20
Played - $0.10
Heavily Played - $0.10
Damaged - $0.10
Near Mint Non-English - $0.20
Lightly Played Non-English - $0.20
Played Non-English - $0.10
Heavily Played Non-English - $0.10
Damaged Non-English - $0.10