Homer Yushima (BT13-096) - Versus Royal Knights

[On Play] You may play 1 blue level 3 Digimon card from 1 of your Digimon's digivolution cards without paying the cost.
[All Turns] When you play a blue Digimon, by suspending this Tamer, you may place 1 blue level 4 or lower Digimon card as that Digimon's bottom digivolution card.

[Security] Play this card without paying the cost.