Forensic Gadgeteer (Promo Pack) [Murders at Karlov Manor Promos] Dominaria United create a 2/2 red Dragon

create a 2/2 red Dragon creature token with flying and 'R: This creature gets +1/+0 until end of turn

return Poxwalkers from your graveyard to the battlefield tapped

"Until the Rebellion

This can help you pay costs with lots of mana symbols in them

Forensic Gadgeteer (Promo Pack) [Murders at Karlov Manor Promos] Dominaria United create a 2/2 red DragonSet: Murders at Karlov Manor Promos Type: Creature Vedalken Artificer Detective Rarity: Rare Cost: {2}{U} Whenever you cast an artifact spell, investigate. (Create a Clue token. It's an artifact with "2, Sacrifice this artifact: Draw a card.") Activated abilities of artifacts you control cost 1 less to activate. This effect can't reduce the mana in that cost to less than one mana.