Seviper (SM46) (Staff Prerelease Promo) [Sun & Moon: Black Star Promos]Set: Sun & Moon: Black Star Promos Type: Psychic Rarity: Promo Retreat cost: Colorless,Colorless

at end of combat

you may put that permanent on top of its owner's library instead

Nothing says trouble like a reedy hiss with a hint of liquid gurgle

" —Tezzeret

Set: Commander 2016 Type: Sorcery Rarity: Rare Cost: {2}{U} Reveal the top ten cards of your library

" —Imran

The worst part isn't the pain

Set: Sun & Moon: Shining Legends Type: Fire Rarity: Secret Rare Retreat cost: Colorless

Set: Commander 2017 Type: Legendary Creature — Cat Avatar Rarity: Mythic Cost: {3}{G}{W} Eminence — At the beginning of combat on your turn

Set: Foreign Black Border Type: Land — Mountain Plains Rarity: Rare ({T}: Add {R} or {W}

If both targets are still legal as this ability resolves

Another target creature gets -2/-2 until end of turn