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 - $0.10
Lightly Played - $0.10
Moderately Played - $0.10
Heavily Played - $0.10
Damaged - $0.10
Near Mint Spanish - $0.10
Lightly Played Spanish - $0.10
Moderately Played Spanish - $0.10
Heavily Played Spanish - $0.10
Damaged Spanish - $0.10
Foil Prices
Near Mint Foil - $0.20
Lightly Played Foil - $0.20
Moderately Played Foil - $0.20
Heavily Played Foil - $0.10
Damaged Foil - $0.10
Near Mint Foil Spanish - $0.20
Lightly Played Foil Spanish - $0.20
Moderately Played Foil Spanish - $0.20
Heavily Played Foil Spanish - $0.10
Damaged Foil Spanish - $0.10