Plague Rats [Beta Edition] Sliver Eldrazi Whenever you tap a Swamp

Whenever you tap a Swamp for mana

Set: Unlimited Edition Type: Instant Rarity: Uncommon Cost: {2}{U} Psionic Blast deals 4 damage to any target and 2 damage to you

Set: Double Masters Type: Enchantment Rarity: Mythic Cost: {W} At the beginning of your upkeep

I didn't mean this

Set: Sun & Moon: Team Up Type: Fire Rarity: Rare Retreat cost: Colorless

Plague Rats [Beta Edition] Sliver Eldrazi Whenever you tap a SwampSet: Beta Edition Type: Creature Rat Rarity: Common Cost: {2}{B} Plague Rats's power and toughness are each equal to the number of creatures named Plague Rats on the battlefield. "Should you a Rat to madness tease Why ev'n a Rat may plague you" Samuel Coleridge, "Recantation"