Uncontrolled Infestation [Scourge] McDonald's Promo Series 2 You can only use this

You can only use this effect of "Echo Oscillation" once per turn

Set: Galactic Overlord Card type: Continuous Spell Rarity: Rare Once per turn

Set: Gladiator's Assault Card type: Effect Monster Rarity: Secret Rare Attack: 1500 Defense: 400 When this card is destroyed by battle

Set: Portal Type: Creature — Snake Warrior Rarity: Common Cost: {2}{B} When Serpent Warrior enters the battlefield

Uncontrolled Infestation [Scourge] McDonald's Promo Series 2 You can only use thisSet: Scourge Type: Enchantment Aura Rarity: Common Cost: {1}{R} Enchant nonbasic land When enchanted land becomes tapped, destroy it. The grounds of the Riptide Project are now populated only by slivers, broken beakers, and the lonely screeching of gulls.