Planar Collapse [The List] Merfolk Scout Set: EX: Delta Species Type:

Set: EX: Delta Species Type: Psychic Rarity: Common Retreat cost: Colorless

then create a 1/1 green Saproling creature token for each permanent of that color

"My wings shall be your shield

Set: Phyrexia: All Will Be One Promos Type: Artifact Creature — Phyrexian Construct Rarity: Rare Cost: {2} Whenever a player casts their first multicolored spell each turn

and original

Planar Collapse [The List] Merfolk Scout Set: EX: Delta Species Type:Set: The List Type: Enchantment Rarity: Rare Cost: {1}{W} At the beginning of your upkeep, if there are four or more creatures on the battlefield, sacrifice Planar Collapse and destroy all creatures. They can't be regenerated. With heavy heart, Urza doused one world's light to rekindle another's.