Powerstone Shard
Artifact
: Add 
for each artifact you control named Powerstone Shard.
"Light passing through a powerstone is refracted by eternity and colored by planar energy. I wonder how the world appeared through Urza's eyes?" —Teferi
Lindsey Look
Dominaria (DOM)
• #227Rulings
Powerstone Shard’s activated ability is a mana ability. It doesn’t use the stack and can’t be responded to.
(wotc • 2018-04-27)
Rulings
Powerstone Shard’s activated ability is a mana ability. It doesn’t use the stack and can’t be responded to.
(wotc • 2018-04-27)