This will buy you all kinds of time, especially if you can cast it again with Snapcaster Mage
Whenever an artifact an opponent controls is put into a graveyard from the battlefield, this creature deals 1 damage to that player
Yes, thanks mostly to contributions from Jumpstart and Jumpstart: Historic Horizons, there are a couple dozen slivers on MTGA
However, the lack of both methods to tap it and other permanents with similar payoffs, like Duskmourns survivor abilities, makes Kilo a better commander for its own deck than for this one
The basic land and land type it symbolizes is Swamp
Consulate Surveillance can prevent damage at the cost of energy, and Synth Eradicator can help draw cards or eliminate smaller threats