cavalry charge mtg commander deck - Precon Primer but they can use cards from throughout Magics history. March of the Machine Commander

They are more than powerful enough without stat boosts, and Crucible of Fire costs four mana, which is already costly in a deck that runs a lot of high mana value creatures

Axgard Cavalry Rarity: Common TYPE: Creature SUBTYPE: Dwarf Berserker CMC: 2 Mana cost: USD: $0.24 EUR: 0.11 TIX: 0.03 EDHREC RANK: 6751 (2/2) : Target creature gains haste until end of turn

Of course, there are also rare promo cards

In Commander, where the biggest threat isnt always targetable (or even a creature), that kind of flexible sacrifice pressure is huge

Helpful Hunter Rarity: Common TYPE: Creature SUBTYPE: Cat CMC: 2 Mana cost: USD: $0.30 EUR: 0.16 TIX: 0.03 EDHREC RANK: 2072 (1/1) When this creature enters, draw a card

But it is big and it comes with Flash, so you can produce some blowouts out of nowhere