Most green decks are excellent at ramping, and can get seven lands on the battlefield with relative ease
Every single two or lower casting cost infect artifact creature made the cut by default
Like the effects of all modal spells, Rush of Dread's effects happen in order
Deck Filters Doc Samson, Super Psychiatrist 20%inclusion 19%synergy 4 decks 20 decks Hulk, Brutal Brawler 17%inclusion 16%synergy 3 decks 18 decks Shang-Chi, Martial Mentor 11%inclusion 10%synergy 2 decks 18 decks Punishing Punch 11%inclusion 10%synergy 2 decks 19 decks Earth's Mightiest Heroes 11%inclusion 10%synergy 2 decks 19 decks High Synergy Cards Hardened Scales 70%inclusion 55%synergy 124 decks 178 decks Inspiring Call 66%inclusion 53%synergy 118 decks 178 decks Spider-Man, Brooklyn Visionary 49%inclusion 49%synergy 88 decks 178 decks Forgotten Ancient 59%inclusion 48%synergy 105 decks 178 decks Kami of Whispered Hopes 54%inclusion 47%synergy 97 decks 178 decks Venom Blast 46%inclusion 46%synergy 82 decks 178 decks Kapow
Looking to curb blacks strength just a bit
At first glance its 2-power-or-less prerequisite seems like an insurmountable downside, except when you consider how many great targets red has at that level