Discord

Edison Card Text
Neither player can Synchro Summon. Send this card to the GY during your 3rd End Phase after activation.
No targeting
No Damage Step effect
Banlist • Unlimited
Interactions
If Dark End Dragon's target is no longer on the field at resolution will DED lose 500atk/def ?!
During a duel, several cards are involved, including Fish Depth Charge and Light End Dragon.
It has to both send to gy and lose 500 If you can't do either you do neither This means you resolve the interaction according to that ruling, and any dependent parts only apply if the required condition or activation is successfully met.
Rulings
edisonformat.net
● You can join the discord here: https://discord.gg/wJxBvDCQrZ ● Sending this card to the GY during your 3rd End Phase after activation does not start a Chain.
●You can activate the effect of “Blackwing – Vayu the Emblem of Honor” while “Discord” is active to Special Summon a Synchro Monster because it is not a Synchro Summon.
●You can't activate “Urgent Tuning” while “Discord” is active because it lets you perform a Synchro Summon.
●If “Discord” is Chained to the activation of “Urgent Tuning” the effect of “Urgent Tuning” is not applied and no monsters are sent to the GY.
edisonformat.com
Sending this card to the Graveyard during your 3rd End Phase after activation does not start a Chain.
You can activate the effect of “Blackwing – Vayu the Emblem of Honor” while “Discord” is active to Special Summon a Synchro Monster because it is not a Synchro Summon.
You cannot activate “Urgent Tuning” while “Discord” is active because it lets you perform a Synchro Summon.
If “Discord” is Chained to the activation of “Urgent Tuning” the effect of “Urgent Tuning” is not applied and no monsters are sent to the Graveyard.