Chaos: Whenever you roll Chaos, each opponent exiles a card from their hand, you may cast those cards for their converted mana costs until a player planeswalks
Once it's established said loop, it can put all the lands in its deck onto the battlefield, in its owner's hand, or leave them in the graveyard if need be
While this is still slightly worse than the other Krenko card, its still one of the most powerful goblin commander cards strictly from a synergy point of view
By detaching an Xyz Material from his as a cost, the controller can negate the activation and destroy that card
Teferis Protection is the card that lets you shrug and say, Not my problem. When it resolves, your permanents phase out, your life total cant change, and for a full turn cycle, youre basically untouchable
Learning how the stack works can help here