Infinite Authority [Legends] Basic Land Maro-Sorcerer's power and toughness are

Maro-Sorcerer's power and toughness are each equal to the total number of cards in all players' hands

Set: Legends Type: Legendary Creature — Elder Dragon Rarity: Rare Cost: {2}{R}{R}{G}{G}{W}{W} Flying

Set: Legends Type: Sorcery Rarity: Rare Cost: {3}{U} Destroy all Forests

A thunderous explosion shattered the silver monolith and Avacyn emerged

if it's not your turn

Infinite Authority [Legends] Basic Land Maro-Sorcerer's power and toughness areSet: Legends Type: Enchantment Aura Rarity: Rare Cost: {W}{W}{W} Enchant creature Whenever enchanted creature blocks or becomes blocked by a creature with toughness 3 or less, destroy the other creature at end of combat. At the beginning of the next end step, if that creature was destroyed this way, put a +1 +1 counter on the first creature.