A popular trick is to use Invasion of Alara to play Bramble Familiar's 7-mana 'Fetch Quest' Adventure for free, and build up an impossible lead
Because Commander isnt subject to rotation, older products never completely lose their relevance
The unreliability of this card gives it obvious appeal for chaos decks since you might end up leaving your opponent better off than they were before you cast it
One of the aggressive decks in the format, this one aims to go wide with lots of 1/1 rat tokens and swarm your opponents
Korvold, Gleeful Glutton costs three more mana than his previous incarnation, though the cost is reduced for each permanent card types you sacrifice before you cast him
There are a few aspects that hold it back from being more complex and competitive, namely a lack of card draw and ways to mount a comeback and counter the opponent, but those issues may be alleviated as the game evolves