Historical Rules · 23 August 2019
Rule 312.5
Official source text from the 23 August 2019 Rules release
The owner of a scheme card is the player who started the game with it in the command zone. The controller of a face-up scheme card is its owner.
Historical Rules · 23 August 2019
Official source text from the 23 August 2019 Rules release
The owner of a scheme card is the player who started the game with it in the command zone. The controller of a face-up scheme card is its owner.