Angemon

[Your Turn] When this Digimon would digivolve, if you have 3 or fewer security cards, ＜Recovery +1 (Deck)＞ (Place the top card of your deck on top of your security stack.)

[When Attacking] If you have 3 or more security cards, return 1 of your opponent's level 3 Digimon to its owner's hand.