Moraug, Fury of Akoum

Each creature you control gets +1/+0 for each
time it has attacked this turn.
Landfall —Whenever a land enters the battlefield
under your control, if it's your main phase,
there's an additional combat phase after this phase.
At the beginning of that combat, untap all
creatures you control.
Berserker summoned in the Holy Grail War.