mtg tegwyll commander deck Ultra Pro Whenever another Faerie you control dies Deckbox: PRO 100+ MTG Wilds

It just produces one mana of the appropriate type, with no restrictions or riders

You get your Banishing Light effect for slightly more mana, but you also get a white mana rock to help make up the difference

Im always going to wait, Fatal Push a cost reducer if they cast one or Opt if they dont, and Thoughtseize after they spend another turn cantripping to maximize my odds of hitting a Gifts Ungiven or ruining their setup

With social media purchases, make sure you always ask for references when working with someone new, and trust your gut (if a deal seems too good to be true, it probably is), and you should be fine