You usually need a third piece to turn that into a wind, but options are plentiful
Commander Najeela, the Blade-Blossom Whenever a Warrior attacks, you may have its controller create a 1/1 white Warrior creature token that's tapped and attacking
Each of these will trigger landfall effects individually, so if you hit three lands, that's three landfall triggers
Ironwill Forger Tarkir: Dragonstorm s Ironwill Forger brings back the lieutenant mechanic: at the beginning of combat on your turn, if you control your commander, your lieutenant will give you a bonus
It will instead connive, meaning its controller will draw one card, then discard one card, regardless of the value of X, and then they'll put a +1/+1 counter on that creature if they discarded a nonland card this way.
Auras can be flimsy, but when theyre cheap ways to generate a huge mana advantage, theyre worth a look