I enjoy the choice to have him get a creature each time he activates the ability rather than just building up to one summoning
It also lets you pay two mana to deal one damage to any target, which can be really useful for taking out small but annoying threats or killing an opponent outright
Playing a land always requires you to have a land drop remaining for turn, no matter what part of the turn you play it in
This is partially due to a feature unique to Wilds of Eldraine Wilds of Eldraine contains something called a bonus sheet. Designers sometimes add reprinted cards to a new set in order to supplement that new set
Cards like Elven Ambush double your creature count, while Lys Alana Huntmaster makes your Elf creature spells a two-for-one, giving you an Elf token every time you cast an Elf card
Dont forget that it is dangerous to bank on the idea your commander will be there, and be available this is true for any Commander deck due to cards like Oubliette or control-stealing effects