Sickening Shoal [Betrayers of Kamigawa] SM174 If that mana is spent

If that mana is spent on a creature spell

you can change the battle position of the attack-target monsters

If this card is Special Summoned: You can target 1 face-up monster your opponent controls

or Effect Monster's effect and destroy all cards your opponent controls

Set: EX: Crystal Guardians Type: Water Rarity: Uncommon Retreat cost: Colorless

Sickening Shoal [Betrayers of Kamigawa] SM174 If that mana is spentSet: Betrayers of Kamigawa Type: Instant Arcane Rarity: Rare Cost: {X}{B}{B} You may exile a black card with converted mana cost X from your hand rather than pay this spell's mana cost. Target creature gets X X until end of turn.