Polluted Delta (Retro) [Modern Horizons 3] Darkwing Blast but it cannot be activated

but it cannot be activated unless you control a Fiend monster

or the effects of cards

Set Name: Romance Dawn Card Number: OP01-051 Release Date: 2022-12-02 Rarity: Super Rare Card Type: Character Cost: 8 Power: 8000 [DON

Set Name: 500 Years in the Future Card Number: OP07-001 Release Date: 2024-06-28 Rarity: Leader Card Type: Leader Power: 5000 [Activate:Main] [Once Per Turn] Give up to 2 total of your currently given DON

you may cast that card and you may spend mana as though it were mana of any color to cast that spell

Polluted Delta (Retro) [Modern Horizons 3] Darkwing Blast but it cannot be activatedSet: Modern Horizons 3 Type: Land Rarity: Rare T, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle. A warped gateway that seeps toxins and malevolence into the waters around Towashi.