Powerstone Shard

Urza, Prince of Kroog

in 27% of 22 decks

Ugin, the Ineffable

in 14% of 29 decks

Brudiclad, Telchor Engineer

in 10% of 39 decks

Jin-Gitaxias, Progress Tyrant

in 13% of 23 decks

Karn, Scion of Urza

in 50% of 4 decks

Tan Jolom, the Worldwalker

in 7% of 15 decks

Tezzeret, Master of the Bridge

in 4% of 26 decks

Sai, Master Thopterist

in 7% of 14 decks

Liberator, Urza's Battlethopter

in 14% of 7 decks

Kozilek, the Great Distortion

in 5% of 22 decks

Ulamog, the Ceaseless Hunger

in 8% of 13 decks

Emry, Lurker of the Loch

in 3% of 36 decks

Ultima, Origin of Oblivion

in 8% of 12 decks

Lavinia, Azorius Renegade

in 7% of 15 decks

Ugin, Eye of the Storms

in 3% of 35 decks

Sephara, Sky's Blade

in 8% of 13 decks

Grolnok, the Omnivore

in 4% of 28 decks