
Artifact creatures you control get +2/+2.
Whenever The Borg Queen enters or attacks, target opponent exiles cards from the top of their library until they exile a creature card. AssimilateAssimilateTo assimilate a card, put it onto the battlefield under your control with a +1/+1 counter. It's a Borg artifact creature and loses all other creature types. that card. They put the rest on the bottom in a random order. (To assimilate a card, put it onto the battlefield under your control with a +1/+1 counter. It's a Borg artifact creature and loses all other creature types.)
Hover an underlined rule to see what it means.
Read from the rules text. A card that enables a keyword makes or is the thing; a card that rewards it gets better when you have it. Two cards interact when one enables what the other rewards.