Once you reach the phase of the game where you can afford to do multiple things per turn, you need card draw to ensure you keep having things to do (Circle of Power, Fight On!, Travel the Overworld) or at least cards which can be used multiple times (flashback spells, Ring of the Lucii, Shambling Cieth, Relentless X-ATM092)
At the beginning of each end step, create X 1/1 black Rat creature tokens with This creature gets +1/+1 for each other Rat you control, where X is the number of creatures your opponents controlled that were exiled this turn
Acid-Spewer Dragon Ahriman Akroma, Vision of Ixidor Alela, Artful Provocateur Animus of Predation Argivian Avenger Atraxa's Skitterfang Atraxa, Grand Unifier Atraxa, Praetors' Voice Black Waltz No
This legendary Gruul Goblin was originally printed all the way back in 2008s Shadowmoor expansion, and it serves as another exceptional pairing with a Goblin commander thats focused on spell manipulation