Ill-Timed Explosion Damage-based sweepers are firmly in reds slice of the color pie, and when you pay 4 mana, youll usually get 4-5 points of damage
Eldrazi Temple as a multi-deck staple
Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Ragnarok, Divine Deliverance Color Indicator: Black and Green Legendary Creature Beast Avatar Vigilance, menace, trample, reach, haste When Ragnarok dies, destroy target permanent and return target nonlegendary permanent card from your graveyard to the battlefield
He can just copy a fat creature of you to finish the game (he also copies all counter of the creatures) or he can support you with a copy of an Prime Speaker Zegana to draw cards or something like Somberwald Sage for mana or Mystic Snake to counter another spell
And claim victory on the high seas
Building a Halloween Grist deck is easy enough: just pick lots and lots of Insects