Dusk // Dawn [Amonkhet Prerelease Promos]Set: Amonkhet Prerelease Promos Type: Sorcery Sorcery Rarity: Rare Cost: {2}{W}{W} {3}{W}{W} Destroy all creatures with power 3 or greater. Reverse Type: Sorcery Aftermath (Cast this spell only from your graveyard. Then exile it.) Return all creature cards with power 2 or less from your graveyard to your hand.

" —Ruric Thar

Set: Alpha Edition Type: Creature — Merfolk Rarity: Common Cost: {U} Most human scholars believe that Merfolk are the survivors of sunken Atlantis

Set: Commander's Arsenal Type: Instant Rarity: Rare Cost: {3}{U}{U} Counter target spell

Set: Kaladesh Type: Legendary Creature — Dwarf Pilot Rarity: Rare Cost: {1}{R}{W} Other Dwarves you control get +1/+1

They only specify the consequences should you fail

Set: Apocalypse Type: Creature — Kavu Rarity: Rare Cost: {4}{G}{G} Trample

Set: Magic Origins Type: Legendary Artifact Rarity: Mythic Cost: {5} If you would gain life

leader of the Order of the White Shield

Set: Mirrodin Type: Artifact Rarity: Rare Cost: {0} Imprint — When Chrome Mox enters the battlefield

That player puts that card onto the battlefield

Set: Commander 2014 Type: Artifact Land Rarity: Common {T}: Add {R}

Set: Magic 2011 Type: Enchantment Rarity: Rare Cost: {2}{W}{W} If Leyline of Sanctity is in your opening hand