Code A Ancient Ruins
Edison Card Text
① If a face-up "Alien" monster(s) is destroyed, place 1 A-Counter on this card.
② Once per turn:
You can remove 2 A-Counters from the field; Special Summon 1 "Alien" monster from your GY.
Targets
Note: the second effect
No Damage Step effect
Banlist • Unlimited
Interactions
If two Aliens are destroyed at the same time, how many A-Counters does Code A Ancient Ruins gain?!
Two face-up Alien monsters are destroyed simultaneously.
It gains one A-Counter because the effect counts the event of monsters being destroyed.
Rulings
edisonformat.net
● If a Set “Alien” monster is destroyed by battle, you don't place A-Counters on this card.
(It needs to be face-up at attack declaration).
edisonformat.com
(1) Each time a face-up "Alien" monster(s) is destroyed, place 1 A-Counter on this card. (2) Once per turn, you can remove 2 A-Counters from anywhere on the field to Special Summon 1 "Alien" monster from your Graveyard.
The (1) Continuous-like Effect does not start a chain.
No A-Counter is placed on this card if an "Alien" monster face-down when an attack is declared.
The (2) Ignition-llike Effect targets an "Alien" monster in your Graveyard.
Removing 2 A-Counters from this card is a cost.
This card must remain face-up on the field in order to resolve this effect.