The Angels' devoted efforts saved many a Mecha, and they fully believed that the upstanding Mechas would repay the favor when needed. If only that were true.
[LV1-LV2-LV3] While This Spirit Attacks
[Luster] (When the battle ends, return all magic cards you used during the battle from your trash to your hand.)
[LV3] While This Spirit Attacks
Once per turn, when you use a magic card, refresh this spirit after that card's effect resolves.