Circle of Protection: Green [Seventh Edition] Hidra Set: Commander 2019 Type: Enchantment

Set: Commander 2019 Type: Enchantment Rarity: Rare Cost: {2}{G}{U} At the beginning of your precombat main phase

the troll threw the knight off the bridge

you may have Valakut

Set: Ravnica Allegiance Type: Creature — Merfolk Warrior Rarity: Common Cost: {2}{U} Few Ravnicans are aware of the vast reefs in their world's hidden ocean

Set: Ravnica Allegiance Type: Basic Land — Island Rarity: Common ({T}: Add {U}

Circle of Protection: Green [Seventh Edition] Hidra Set: Commander 2019 Type: EnchantmentSet: Seventh Edition Type: Enchantment Rarity: Common Cost: {1}{W} {1}: The next time a green source of your choice would deal damage to you this turn, prevent that damage.