Chain Reaction [Commander 2015] Karn You can only use this

You can only use this effect of "Shiranui Spectralsword" once per turn

Set: Commander 2015 Type: Land Rarity: Rare As Ancient Amphitheater enters the battlefield

the equipped monster gains 1000 ATK/DEF

Set: Neo Revelation Unlimited Type: Darkness Rarity: Holo Rare Retreat cost: Colorless

After that battle

Chain Reaction [Commander 2015] Karn You can only use thisSet: Commander 2015 Type: Sorcery Rarity: Rare Cost: {2}{R}{R} Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield. "We train for the improbable, like lightning striking the same place twice, or striking everywhere at once." Nundari, Sea Gate militia captain