Yon-Hu, Calamity of Storms

Whenever you cast a sorcery or instant spell you may draw a card and discard a card.
Red instant and sorcery spells you control have Lifelink.
Blue instant and sorcery spells you control have whenever you cast this spell, it deals 1 damage to any target.
White instant and sorcery spells you control have whenever you cast this spell, you scry. 1