Lightning Runner
Aether Revolt Promos (PAER #90s)
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Lightning Runner
CMC: 5
Type
Creature — Human Warrior
Rules Text
Double strike, haste
Whenever this creature attacks, you get 
(two energy counters), then you may pay eight . If you pay, untap all creatures you control, and after this phase, there is an additional combat phase.
P/T
2/2
Printing
Aether Revolt Promos (PAER #90s)
mythic
Illustrated by Raymond Swanland