Take it for your self

This creature can't block. Sacrifice a creature: Put a +1/+1 counter on this creature.

: Search your library for a Sliver card, reveal that card, put it into your hand, then shuffle. : Gain control of target Sliver. (This effect lasts indefinitely.)

, Sacrifice a creature: This artifact deals 1 damage to any target. Whenever a creature enters, you may untap this artifact.

Changeling (This card is every creature type.) : Target creature gains all creature types until end of turn. : Target creature loses all creature types until end of turn.

Whenever another creature dies, you may gain 1 life.