In an Old School mono-brown deck, there is a card you just can't get past
1 Craterhoof Behemoth You'll never hear it coming
Even so, its usually free to play and gives you mana base some added utility
If creatures, planeswalkers, artifacts and enchantments are in Tier A, libraries are in Tier B, and lands and hands are in Tier C, where are we supposed to slot graveyards
It also has a built-in self-reanimation effect, which can change combat math at instant speed, though at a hefty cost
Recent cards like Karlach, Fury of Avernus also allows Red players to double up on combat, but Aggravated Assault is more likely to stick around unless your opponent can get access to Enchantment removal