Edison format ruling
Future Samurai
Card effect (current official text)This card is treated as a Normal Monster while face-up on the field or in the Graveyard. While this card is face-up on the field, you can Normal Summon it to have it become an Effect Monster with this effect.
● Once per turn: You can banish 1 monster from your Graveyard to target 1 face-up monster on the field; destroy that target.
Rulings
- Future Samurai's effect is an Ignition Effect. Removing from play 1 monster from your GY is a cost.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Edison forum — sourced change requests get reviewed.