Yes, your opponents do have the option to pay a tax and deny you the card advantage, but especially in the early turns you can count on the mana efficiency of cEDH (and the hatred of taxes by its players) to routinely draw you some cards
This card feels like it's both my Johnny and my Spike, as it's fast, and can make enough mana that it ends the game, but requires a heavy commitment to artifacts and certain builds to make that happen
The Naya (white/red/green) deck, Call for Backup cares about +1/+1 counters, and also shows off the new backup keyword from March of the Machine
If the resolution of a triggered ability involves casting a spell, that spell can't be cast if a spell with split second is on the stack
Unlike other creature types one might use for a kindred deck, Warriors excel both individually and collectively