Hero Chao

[On Play] For every unit with "Chao" in their name on the field, [Draw 1] and [Recharge 1].
[Once Per Turn] When another unit with "Chao" in its name is targeted by an attack or effect, you may switch the target to this card.
While you control another unit with "Chao" in the name, all units with "Chao" in their name gain [Blocker] and all others cannot be K.O'd by effects.
When this card is K.O.'d, you may play a card with "Chao" in its name from your hand with the cost reduced by {2} for every unit yo