Rhystic Study [Commander's Arsenal] Standardbrawl among any of the creatures

among any of the creatures it's being blocked by or is blocking

Set: Kaladesh Prerelease Promos Type: Enchantment Rarity: Mythic Cost: {3}{U}{U} Whenever you cast an instant or sorcery spell

Barrin is the teacher who trained the young Ertai

Set: Champions of Kamigawa Type: Legendary Land Rarity: Rare Boseiju

destroy all non-Wall creatures that player controls that didn't attack this turn

Rhystic Study [Commander's Arsenal] Standardbrawl among any of the creaturesSet: Commander's Arsenal Type: Enchantment Rarity: Common Cost: {2}{U} Whenever an opponent casts a spell, you may draw a card unless that player pays {1}. Friends teach what you want to know. Enemies teach what you *need* to know.