Sundial of the Infinite [Mystery Booster] XY210 creatures you control have first

creatures you control have first strike and equip abilities you activate cost {1} less to activate

Set: Collectors' Edition Type: Artifact Rarity: Uncommon Cost: {4} {1}

Set: HeartGold & SoulSilver: Base Set Type: Supporter Rarity: Promo

whichever comes first

Set: Kaladesh Inventions Type: Artifact Creature — Thopter Rarity: Mythic Cost: {0} Flying

Sundial of the Infinite [Mystery Booster] XY210 creatures you control have firstSet: Mystery Booster Type: Artifact Rarity: Rare Cost: {2} {1}, {T}: End the turn. Activate only during your turn. (Exile all spells and abilities from the stack. Discard down to your maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)