Sedraxis Arbiter

When Sedraxis Arbiter enters the battlefield, each player sacrifices a creature.
If you control a blue permanent, you may cast target instant or sorcery spell from your graveyard with converted mana cost two or less without paying its mana cost. If you do, exile it instead of putting it into your graveyard.
If you control a red permanent, you may draw a card. If you do, discard a card.