Elvish Harbinger

7R: This creature deals 5 damage to target player or planeswalker.

This creature can't attack unless you've cast a creature spell this turn.

Spitting Earth deals damage to target creature equal to the number of Mountains you control.

Sacrifice a Goblin: Target creature gets +1/+1 until end of turn.

T: Add C. G, T: Untap target Elf.

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

Haste Reckless One's power and toughness are each equal to the number of Goblins on the battlefield.

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