Sometimes it's better to keep Kida for later and ink an extra three or four-cost card, rather than automatically treat her like ink
For example, Jacked Rabbit creates 1/1 white Rabbits equal to its power everytime it attacks and if you happen to have used Offspring on Jacked Rabbit as you cast it, your Offspring will create an additional white Rabbit token every time either one of them attacks
In the battle between Absorb and other three-mana counters Absorb would almost always win out if it was easily castable, and it was even a small incentive to choose white over black as a secondary color
Removal is crucial, since even an unanswered Slimefoot, the Stowaway can take over the game, but the density of bombs in Dominaria is potentially higher than in any set ever before
You then can also draw a card if you control six or more Humans
Trigger Discard (sample: Bottomless Pit) I play a permanent that causes one of the above discard effects to trigger whenever situation X happens