MailBirdramon (BT10-021) - Xros Encounter

[On Play] If you have a [Kiriha Aonuma] in play, you may return 1 [MetalGreymon] from your trash to your hand. If you don't have a [Kiriha Aonuma] in play, you may play 1 [Kiriha Aonuma] from your hand without paying its play cost.
[On Deletion] [Save] (You may place this card under one of your Tamers.)

[When Attacking] [Once Per Turn] If this Digimon has [Blue Flare] in its traits and your opponent has 2 or more Digimon in play, 1 of your opponent's Digimon can't attack or block until the end of your opponent's turn.