River Boa

Target player discards two cards.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Spend only black mana on X. Consume Spirit deals X damage to any target and you gain X life.

Hexproof Drove of Elves's power and toughness are each equal to the number of green permanents you control.

Jagged-Scar Archers's power and toughness are each equal to the number of Elves you control. T: This creature deals damage equal to its power to target creature with flying.

Destroy target artifact or enchantment.

Hexproof (This creature can't be the target of spells or abilities your opponents control.) 1G: Regenerate this creature.

Creatures you control have double strike.