Aetheral Chaos

Sacrifice all {e} on ally permanents. For each one sacrificed, deal 1 damage to a target unit and gain a 1/1 Blue/Black Shade creature token.
If there are 5 or more Blue/Black Shade creatures on your battlefield, sacrifice them to summon Aether Titan and deal 2 damage to a target unit. This can occur any number of times. If there is more than 3 Aether Titan's on your battlefield, deal 5 damage to a target player.