Tengu format ruling
Double Summon
Card effect (current official text)You can conduct 2 Normal Summons/Sets this turn, not just 1.
Rulings
- You can activate this card before or after you use your Normal Summon for the turn. The extra Summon granted by this card’s effect can be used any time you could Normal Summon, and you are not considered to be Summoning a monster with this card’s effect.
- You can activate multiple copies of this card in the same turn, but you can only gain 1 extra Summon per turn from this card. You can gain additional Normal Summons from other cards like Ultimate Offering, etc.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Tengu forum — sourced change requests get reviewed.