Whenever you cast an instant or sorcery spell, put a charge counter on this artifact.
{1}{R}, {T}, Remove any number of charge counters from this artifact: It deals that much damage to any target.
{1}{R}, {T}: Exile the top card of your library. You may play that card this turn.
Legalities
tlrlegal
duellegal
brawllegal
pennylegal
PreDH
Rulings · 2
wotc
You must still pay all costs and follow all timing rules to play a card exiled with Geistflame Reservoir's last ability.
wotc
You choose how many counters to remove from Geistflame Reservoir as you activate its second ability, not as it resolves.
Notes
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