Arenson's Aura

3, T: Exile the top card of your library. Until the beginning of your next upkeep, you may play that card.

You have no maximum hand size. If an effect causes you to discard a card, discard it, but you may put it on top of your library instead of into your graveyard.

1: The next time a green source of your choice would deal damage to you this turn, prevent that damage.

Flying

Enchant land Whenever enchanted land becomes tapped, this Aura deals 2 damage to that land's controller.

Enchant creature Enchanted creature gets +3/+0 and can only attack alone.

(T: Add W.)

Counter target spell.