Dark End Dragon

Edison Card Text
1 Tuner + 1 or more non-Tuner DARKs
① Once per turn:
You can target 1 monster your opponent controls; this card loses 500 ATK and DEF, and if it does, send that target to the GY.
Targets
Note: the second part of the effect
No Damage Step effect
Banlist • Unlimited
Interactions
Can Dark End Dragon target a Token?✓
A Token is on the field and Dark End activates.
Yes. It can target a Token; the Token is sent to the GY (disappears) and Dark End loses ATK/DEF.
Does Dark End Dragon still work under Macro Cosmos, Dimensional Fissure, or Banisher of the Radiance?✓
Dark End Dragon activates its effect while a banish replacement effect is active.
Yes. Dark End Dragon's effect still resolves; the monster is sent, but it is banished instead of going to the Graveyard.
Rulings
edisonformat.net
● Even if the target is no longer on the field, this card still loses 500 ATK/DEF.
● If this card does not lose 500 ATK/DEF, that target is not sent to the GY.
edisonformat.com
(1) One per turn, you can have this card lose 500 ATK and DEF, and sent 1 monster your opponent controls to the Graveyard.
The (1) Ignition Effect activates & resolves on the field.
This effect targets an opponent’s (face-up / face-down) monster.
If the target leaves the field before this effect resolves, this card still loses 500 ATK and DEF [REF]].
If "Dark End Dragon" cannot lose 500 ATK and DEF (it was flipped face-down / it left the field, or its ATK/DEF have been reduced): the targeted monster is not sent to the graveyard.
This effect cannot be activated if "Dark End Dragon" has less than 500 ATK and DEF.