Menace When Plague Belcher enters, put two -1/-1 counters on target creature you control. Whenever another Zombie you control dies, each opponent loses 1 life.
When Soulstinger enters, put two -1/-1 counters on target creature you control. When Soulstinger dies, you may put a -1/-1 counter on target creature for each -1/-1 counter on Soulstinger.
When Trial of Ambition enters, target opponent sacrifices a creature of their choice. When a Cartouche you control enters, return Trial of Ambition to its owner's hand.
If Combat Celebrant hasn't been exerted this turn, you may exert it as it attacks. When you do, untap all other creatures you control and after this phase, there is an additional combat phase.