Magewright's Stone [Mystery Booster] Insect Druid Mutant Search your library for a

Search your library for a creature card with mana value X or less

it gets +5/+5 and gains trample until end of turn

Set: Stronghold Type: Artifact Rare Cost: {3} Whenever a player plays a land

Set: Limited Edition Alpha Type: Sorcery Rare Cost: {1}{B}{B} Remove Demonic Attorney from your deck before playing if you're not playing for ante

but not for the will to apply it

Magewright's Stone [Mystery Booster] Insect Druid Mutant Search your library for aSet: 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.