Whamon BT23-023-C

Effect: [All Turns] [Once Per Turn] When this Digimon would leave the battle area other than by your effects, you may play 1 level 4 or lower blue or [CS] trait Digimon card from its digivolution cards without paying the cost.

Inherited Effect: [All Turns] [Once Per Turn] When this Digimon would leave the battle area other than by your effects, you may play 1 level 4 or lower blue or [CS] trait Digimon card from its digivolution cards without paying the cost.