Deploy: Heal an allied unit by 2.
The first time you Heal an allied unit during your turn, Spawn a Deafening Siren on this row.
Deploy: Trigger this ability when played.
Heal: If a unit's current power is lower than its base power, restore it either to base power or by the amount specified.
Spawn: Add a card to the game.
Audio
No human can match sirens in singing. Some, however, are talented enough to compel sirens to listen.