Tengu format ruling
The A. Forces
Card effect (current official text)All Warrior-Type monsters you control gain 200 ATK for each Warrior or Spellcaster-Type monster you control.
Rulings
- Multiple copies of The A. Forces are cumulative. For example, if you control 3 Warrior-Type monsters and have 2 copies of The A. Forces active, each Warrior-Type monster has its ATK increased by 1200 points.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Tengu forum — sourced change requests get reviewed.