mtg cards like goblin bombardment Bombardment, FNM Promos (PRM-FNM) Price History Wilds of Eldraine MTGNexus - Goblin Bombardment

I think you get the idea

Tap to add one colorless mana

Like Hapatra, The Scorpion GodThe Scorpion God and Nest of ScarabsNest of Scarabs do cool things with -1/-1 counters, and if you manage to finish the job with a bunch of creatures that already have debuffs with Snapper, then you've gone and assembled yourself a wombo-combo

Not a pure mirror, but one where your decks discard just plays into their plan

If it's a creature card, it can be turned face up any time for its mana cost.) If the target creature is an illegal target as Unwanted Remake tries to resolve, it won't resolve and none of its effects will happen