It will help you copy those spells with its first ability and then keep growing bigger each time you copy a spell with its second ability
(It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) If this land becomes a creature but you haven't controlled it continuously since your most recent turn began, you won't be able to activate its mana ability or attack with it that turn
Greninja Ex has two available moves on its card
Aerith, Last of the Ancients : Mana: Green (Life), White (Light) and Blue (Water) Legendary creature -- Human Cleric Exalted Whenever one or more creatures deals combat damage to you, put a limit counter on Aerith, Last of the Ancients
Any enters-the-battlefield abilities of the copied permanent will trigger when Copy Enchantment enters the battlefield
I call on both predators and protectors, for now is a season of war. Illustrated by Nicholas Elias Standard Not Legal Alchemy Not Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp