Normal Traps have no icon
(This is treated as a Special Summon with "Mask Change".) You can only activate 1 "Mask Change II" per turn.
While likely a Goblin Kindred card, it will probably slide right into a Krenko, Mob Boss deck
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Midnight Reaper is much better against a deck like Bant Golos, but much worse against decks like Mono-Red and Gruul Midrange, so its going to depend on what you expect to play against
This card feels like an excellent finisher for mono-green decks because it can come down early, survive certain types of targeted removal and board wipes, and then buff up your entire team to a game-ending threat for five mana