they kind of all need to be here
Notably, Izzet Phoenix is also a popular archetype in Pioneer right now, but in that MTG format, the deck doesn't run Demilich
Of course, you need your own creatures in play to fight something, but that wont be difficult for a green deck to achieve
However, if you are going to be playing with your Pokmon cards, you'll need something more durable
Being able to make an opponent sacrifice a creature can, on turn two or three, leave them with nothing to attack with, helping her stick around for longer
It can give a creature islandwalk to sneak past an opponent with islands, shrink something by -1 toughness while adding +2 power to push through damage, or even force a player to discard a card