So long as you can tap Devout Chaplain and two other Humans, you can exile an artifact or enchantment
Another has you questing with three or more characters, or challenging three characters in a single game
Aside from boasting all the enablers and token-makers, Esper is replete with payoffs, especially when you incorporate a little bit of a sacrifice subtheme: Kambal, Profiteering MayorKambal, Profiteering Mayor, Mirkwood BatsMirkwood Bats, and Pitiless PlundererPitiless Plunderer are all great options
However, aggressive decks may go as low as 15 lands if theyre mono-colored, and 16 lands for 2-color decks
Swarmyard is an incredibly powerful utility land balanced out by two factors: It only taps for colorless mana and works only with a specific subset of under-supported creature types
This one is strong enough to have seen plenty of play in Standard too, and its a card Ill be happy to play for a long time to come