Foretell cards and adventure spells work especially well with it, and its success in Duel Commander comes from how easily those let you trigger its damage ability again and again
Etali, Primal Conqueror / Etali, Primal Sickness Etali, Primal Conqueror has a very similar ability to its counterpart Etali, Primal Storm, but what sets this one apart from the former is that you can use it as a Gruul commander thanks to its dual color identity
Cards like Wrath of God or Damnation can turn a losing game into a winning one, so long as you play your other cards right
It doesn't sound explosive, but it gives you a way to bypass the standard restriction on how many lands you can play per turn
Swallowed By Leviathan This one is neat, because counter spells are always welcome (unless youre the one being countered), but you get to Surveil as well and then charge your opponent mana to push that card through
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