Karn, the Great Creator (Borderless) [Bloomburrow Commander] Foundations Whenever Rottenmouth Viper enters or

Whenever Rottenmouth Viper enters or attacks

T: Add X mana of any one color

• Play with Commander's greatest hits—Turn heads with a deck stacked with reprints of some of the greatest cards to grace Magic's most popular format

you draw two cards

• 2x Innistrad: Midnight Hunt uncommons

Karn, the Great Creator (Borderless) [Bloomburrow Commander] Foundations Whenever Rottenmouth Viper enters orSet: Bloomburrow Commander Type: Legendary Planeswalker Karn Rarity: Mythic Cost: {4} Activated abilities of artifacts your opponents control can't be activated. +1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value. 2: You may reveal an artifact card you own from outside the game or choose a face up artifact card you own in exile. Put that card into your hand.