Creature Elf Artificer Fabricate 2 (When this creature enters the battlefield, put two +1/+1 counters on it or create two 1/1 colorless Servo artifact creature tokens.) Whenever Cultivator of Blades attacks, you may have other attacking creatures get +X/+X until end of turn, where X is Cultivator of Blades's power
The Surveil Lands It had to be the surveil lands for #1, which come really close to the triomes as the best tap lands in the game: Commercial District Elegant Parlor Hedge Maze Lush Portico Meticulous Archive Raucous Theater Shadowy Backstreet Thundering Falls Undercity Sewers Underground Mortuary Like the tri-lands, they have the basic land types, which means they can be targets for your fetch lands
It's an investment, right
Once you've selected your two colors, it's time to build your deck
It works with charge counters, +1/+1 counters, planeswalkers, even sagas