Servant of the Conduit [Kaladesh] Zombie Troll then cast it transformed

then cast it transformed

You may cast any number of spells with converted mana cost 5 or less from among them without paying their mana costs

Set: Ravnica: Clue Edition Type: Creature — Goblin Shaman Rarity: Uncommon Cost: {2}{R} Bloodrush — {1}{R}

and the evil

(Activate only any time it makes sense

Servant of the Conduit [Kaladesh] Zombie Troll then cast it transformedSet: Kaladesh Type: Creature Elf Druid Rarity: Uncommon Cost: {1}{G} When Servant of the Conduit enters the battlefield, you get {E}{E} (two energy counters). {T}, Pay {E}: Add one mana of any color. "Creation without connection to nature is just manufacture."