At the end of the Battle Phase, if this card battled: You can return it to the Extra Deck
Its a rule added to the game starting with WORLD CONVERGENCE that can be used by the new Appmon trait cards
ST23-11 U Digimon Lv.4 Alternative Art Wolvermon Color Black Cost 4 DP 4000 Digivolve Cost 1 Black 2 from Lv.3 Form Champion Attribute Vaccine Type Cyborg/Glowing Dawn/BEATBREAK Card Text 1 [Special Digivolution Condition] [Digivolve] Lv.3 w/[Glowing Dawn] trait: Cost 2 [Effect] Blocker [Your Turn] When this Digimon would digivolve into a [Glowing Dawn] trait Digimon card, by trashing the bottom face-down card from under any of your Tamers, reduce the cost by 2
A deck that requires more moving parts to work will necessarily have fewer slots dedicated to responding to a variety of threats or fixing a bad hand, thus having lower utility
Explore and Oracle of Mul Daya may be good at dropping extra lands, but they are not land fetchers, and they are not considered for todays list
Out of This World Reprints Let's start with some good news, shall we