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Sangen Summoning Type Spell Card Typing Field Archetype Sangen TCG Date 2024-04-25 OCG Date 2024-01-27 Card Text During your Main Phase 1, FIRE Dragon monsters you control are unaffected by your opponent's activated effects

More specific ruling questions will be answered in the following months, no doubt about that

On the one hand, it's an incredible card advantage engine for all manner of spellslinger decks, from storm decks that want Past in Flames on a stick to decks that want to chain big spells like Time Warp and Aminatou's Augury

If you cant go infinite, then you can fall back on efficient untapping effects like Quest for Renewal, Drumbellower, Seedborn Muse and Murkfiend Liege for a relatively fast clock, assuming you have enough copies of the signature card in play

The restrictions may still be broader, however, and in any case arguably go against the spirit of a trading card game