Once you've got to grips with your favourite deck, have a read of our guide on how to build a commander deck to find some tips on building and upgrading
Single Combat shines here, as it will leave you with your huge threat and prevent others from getting in its way
This isnt THAT good with Engine since it only taps for 1 mana, but it does untap every iteration (unlike lands) and it lets you draw very aggressively and keep a fat mitt full of goods
The overall Cease // Desist package gives you artifact hate, enchantment hate, and graveyard hate all on one card, three essentials you should be packing in every Commander deck
It gives you a relevant turn one play that provides a wealth of options
This way you can get rid of a ton of problematic cards without accidentally neutering the player who's been just holding on in the game thanks to a handful of mana rocks