Tannuk, Steadfast Second If your deck wants to slam creatures and turn them into damage right away, Tannuk, Steadfast Second is simple and brutal
Whenever the controlling player is dealt combat damage, it forces each opponent to sacrifice a creature that dealt combat damage that turn, before the Ring tempts the player
Then, once you wipe the board, your opponents lose one life when each of your creatures die, and then you gain a life when one of your opponents creatures die
Ben has his list set up to play a longer, more interactive game at the expense of explosiveness, and he makes his mulligan and gameplay choices based on this philosophy as well
Seriously, I have touched several times on how important and revolutionary the modal lands mechanic is for a card game rapidly approaching its 30th year
There's also Planar Nexus, which is all nonbasic land types and therefore a gate