Overwhelming Denial [Oath of the Gatewatch Prerelease Promos]Set: Oath of the Gatewatch Prerelease Promos Type: Instant Rarity: Rare Cost: {2}{U}{U} Surge {U}{U} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.) This spell can't be countered. Counter target spell.

Set: Black & White: Legendary Treasures Type: Supporter Rarity: Common

Set: HeartGold & SoulSilver: Base Set Type: Water Rarity: Uncommon Retreat cost: Colorless

You may put a green permanent card with mana value X or less from among them onto the battlefield

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

{T}: Add {B} for each basic Swamp you control

" —Mangara

Sacrifice Mindslaver: You control target player during that player's next turn

Set: EX: Legend Maker Type: Metal Rarity: Common Retreat cost: Colorless

Set: Diamond & Pearl: Majestic Dawn Type: Grass Rarity: Holo Rare Retreat cost: Colorless

Set: EX: Team Magma vs Team Aqua Type: Psychic Rarity: Common Retreat cost: Colorless

but not House Dimir

If that mana is spent on an instant or sorcery spell