Choked Estuary [Shadows over Innistrad]Set: Shadows over Innistrad Type: Land Rarity: Rare As Choked Estuary enters the battlefield, you may reveal an Island or Swamp card from your hand. If you don't, Choked Estuary enters the battlefield tapped. {T}: Add {U} or {B}.

Set: Conspiracy: Take the Crown Type: Sorcery Rarity: Rare Cost: {4}{U} Reveal the top three cards of your library

Whenever a creature you control attacks

Set: Dominaria Type: Legendary Sorcery Rarity: Rare Cost: {4}{W} (You may cast a legendary sorcery only if you control a legendary creature or planeswalker

Set: Sun & Moon: Unbroken Bonds Type: Colorless Rarity: Uncommon Retreat cost: 0

Cliffrunner Behemoth has lifelink as long as you control a white permanent

Set: XY: Ancient Origins Type: Metal Rarity: Rare Retreat cost: Colorless

Set: Commander Anthology Volume II Type: Artifact Rarity: Common Cost: {2} {1}

(As the creature enters the battlefield

" —Teachings of Eight-and-a-Half-Tails

Set: EX: Holon Phantoms Rarity: Rare

As the sludge below began to shift and take shapes

Spend this mana only to cast instant or sorcery spells