Create a 1/1 green Elf Warrior creature token for each Elf you control.
{X}{G}{G}{G}
Genesis Wave
Sorcery
Reveal the top X cards of your library. You may put any number of permanent cards with mana value X or less from among them onto the battlefield. Then put all cards revealed this way that weren't put onto the battlefield into your graveyard.
{G}
Llanowar Elves
Creature - Elf Druid
{T}: Add {G}.
1 /
1
{G}
Nettle Sentinel
Creature - Elf Warrior
Nettle Sentinel doesn't untap during your untap step.
Whenever you cast a green spell, you may untap Nettle Sentinel.