mtg.wtf

Target creature gets +X/+X until end of turn, where X is the number of Elves on the battlefield.

Other Elf creatures get +1/+1 and have forestwalk.

Treetop Scout can't be blocked except by creatures with flying.

{4}{B}, Sacrifice a creature: Return target creature card from your graveyard to your hand.
{4}{G}: Put a +1/+1 counter on target creature.

{3}{G}: Create a 1/1 green Saproling creature token.
{3}{W}: Creatures you control get +1/+1 until end of turn.

Tap two untapped Elves you control: Add one mana of any color.
Morph {G}

Tap two untapped Elves you control: Add one mana of any color.
Morph {G}

Enchant creature
Enchanted creature gets +1/+1.
Sacrifice Crown of Vigor: Enchanted creature and other creatures that share a creature type with it get +1/+1 until end of turn.

Target creature gets +X/+X until end of turn, where X is the number of Elves on the battlefield.

Treetop Scout can't be blocked except by creatures with flying.

{T}: You gain 1 life for each Elf on the battlefield.

Flying
Whenever you cast a Spirit or Arcane spell, create a 3/3 white Spirit creature token with flying.