Elvish Harbinger

Forests you control are 1/1 green Elf creatures that are still lands. 1G, Sacrifice an Elf: Target creature gets +3/+3 until end of turn.

You may exile two green cards from your hand rather than pay this spell's mana cost. Allosaurus Rider's power and toughness are each equal to 1 plus the number of lands you control.

Sacrifice this creature: You gain 1 life for each Elf card in your graveyard.

Cycling 2GG (2GG, Discard this card: Draw a card.) When you cycle this card, Elf creatures get +2/+2 until end of turn.

Trample Heedless One's power and toughness are each equal to the number of Elves on the battlefield.

Target creature gets +2/+2 and gains trample until end of turn. Draw a card.

Other Elves you control get +1/+1. G, T: Create a 1/1 green Elf Warrior creature token.