Alarielle, The Everqueen

Flying

Rite of Life — When Alarielle, The Everqueen
enters the battlefield return X creatures with mana
value X or less from your graveyard to your battlefield tapped.

Metamorphosis — When Alarielle, The Everqueen destroys a creature put X 4/2 white green Elemental
land creature tokens with "{t} Add {g/w} to your mana
pool," onto the battlefield tapped.