Megumi

Ability: One with the shadows

This pokémon may use any attacks from any D pokémon with "Shikigami" in their name, that are in the lost zone (You still need the required energies)

With this treasure i summon!

You can only use this ability if you have a "Mahoraga" in your hand. This pokémon is knocked out, instead of switching one of you benched pokémon into the active position, put a pokémon from your hand named "Mahoraga" into the active position.

Ability: Chimera Shadow garden

until this pokémon leaves play it gains the ability "As long as you only have D-pokémon on your bench (dual types count as dark if 1 of their types is D) you can have up to 10 benched pokémon. As often as you like during your turn you may put 1 of your benched D pokémon into the lost zone.