Yato the Merciless

Double Strike, Vigilance
If Yato the Merciless attacks create a treasure token.
{3}: Yato the Merciless gets +2/+2 until end of turn.
{x}: Yato the Merciless must attack this turn if able
and gets +2/+2 until end of turn, where {x} is half
Yato the Merciless' power rounded up. This ability can only be activated by players that don't control
Yato the Merciless. Yato the Merciless can't attack players that activate this ability until end of turn.