Thran Temporal Gateway [Dominaria Prerelease Promos]Set: Dominaria Prerelease Promos Type: Legendary Artifact Rarity: Rare Cost: {4} {4}, {T}: You may put a historic permanent card from your hand onto the battlefield. (Artifacts, legendaries, and Sagas are historic.) The portal opens not to the past, but from it. Those who step through discover an unimaginable future.

" —Itzama the Crested

Drove of Elves's power and toughness are each equal to the number of green permanents you control

that creature gets +3/+3 until end of turn

then sacrifices a permanent

Street folk call them "spire mice

Set: EX: Legend Maker Type: Fire Rarity: Ultra Rare Retreat cost: Colorless

Set: Commander 2016 Type: Instant Rarity: Uncommon Cost: {W} Exile target creature

it's just because it finds them tastier that way

Set: Commander 2015 Type: Artifact — Equipment Rarity: Rare Cost: {2} Equipped creature has myriad

Set: Sun & Moon: Dragon Majesty Type: Dragon Rarity: Ultra Rare Retreat cost: Colorless

Set: POP Series 2 Type: Psychic Rarity: Ultra Rare Retreat cost: Colorless

Set: Sword & Shield: Rebel Clash Type: Psychic Rarity: Secret Rare Retreat cost: Colorless