Sundial of the Infinite [Mystery Booster] March of the Machine Prerelease Promos and "Whenever an opponent sacrifices

and "Whenever an opponent sacrifices a nontoken permanent

Set: Mercadian Masques Type: Artifact Rarity: Rare Cost: {5} When a creature enters the battlefield

"I could do this all day

Set: The List Type: Legendary Planeswalker — Nissa Rarity: Mythic Cost: {2}{G}{G} +1: Search your library for a card named Nissa's Chosen

Sundial of the Infinite [Mystery Booster] March of the Machine Prerelease Promos and "Whenever an opponent sacrificesSet: 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.)