[When Digivolving] You may play 1 blue Digimon card with the [Hybrid] trait, or with [Aqua] or [Sea Animal] in one of its traits, from 1 of your blue Digimon's digivolution cards without paying the cost.
[On Deletion] You may play 1 blue level 4 or lower Digimon card with the [Hybrid] trait from your hand without paying the cost.