Creatures (18) 4 Glorybringer 1 Darigaaz Reincarnated 4 Goblin Chainwhirler 3 Verix Bladewing 4 Nicol Bolas, the Ravager 1 Palladia-Mors, the Ruiner 1 Demanding Dragon Planeswalkers (4) Lands (24) Spells (14) Three mana planeswalkers have traditionally been Standard staples, and Sarkhan, Fireblood looks to be yet another
Companion originally worked by letting you reveal the companion card from your sideboard at the start of the game, as long as your deck met the conditions of the companion card
If youre in a black deck, you should be playing Living Death, and I wont hear about it otherwise
Jodah, the Unifier You could argue Jodah, the Unifier was designed as more of a midrange commander than an aggressive one, but this uber-lord 5-color commander ends games so quickly between the power boost and putting two legends into play for each card you cast I cant imagine counting it as anything but an aggro deck
Its a honking big non-legendary Eldrazi