+lyre (4)
, , Sacrifice this artifact: Target creature gets +2/+2 until end of turn.
You may choose not to untap this artifact during your untap step.
, : Tap target creature with power X or less. It doesn't untap during its controller's untap step for as long as this artifact remains tapped.
Sacrifice this artifact: Flip a coin. If you win the flip, this artifact deals damage to target opponent or planeswalker equal to the number of creatures you control. If you lose the flip, this artifact deals damage to you equal to the number of creatures that opponent or that planeswalker's controller controls.
Equipped creature has ", : Tap target creature."
Equip
Gatherer works better in the Companion app!
, 
: Tap target creature with power X or less. It doesn't untap during its controller's untap step for as long as this artifact remains tapped.