Ryrira, Baron of Lust

Indestructible, Flying
At the beginning of your upkeep, Put a
Seduction counter on target creature a opponent controls and all creatures you control with a Seduction counter on it get +X/+X till end
of turn, Where X equals the number of creatures
you control with a Seduction Counter.
{x}: Gain control of Target creature with mana
value of X with a Seduction counter on it.