Magewright's Stone [Mystery Booster] Duels of the Planeswalkers Promos 2011 you may exile any number

you may exile any number of tokens created with Tetravus

Set: Morningtide Type: Enchantment Rare Cost: {U}{U} As Declaration of Naught enters the battlefield

The Multiverse was my plaything

double the number of +1/+1 counters on Primordial Hydra

Set: Mystery Booster Type: Enchantment Rarity: Rare Cost: {1}{R} Cumulative upkeep—Add {R}

Magewright's Stone [Mystery Booster] Duels of the Planeswalkers Promos 2011 you may exile any numberSet: Mystery Booster Type: Artifact Rarity: Uncommon Cost: {2} {1}, {T}: Untap target creature that has an activated ability with {T} in its cost. The stones hark back to an age before civilization, when the living earth blessed all who trod its untamed wilds.