Keyword: Amass

Creatures you control have menace.
−2: Amass 2. (Put two +1/+1 counters on an Army you control. If you don’t control one, create a 0/0 black Zombie Army creature token first.)

When Invading Manticore enters the battlefield, amass 2. (Put two +1/+1 counters on an Army you control. If you don’t control one, create a 0/0 black Zombie Army creature token first.)

This spell can’t be countered.
Draw two cards, then amass X, where X is the number of cards in your hand. (Put X +1/+1 counters on an Army you control. If you don’t control one, create a 0/0 black Zombie Army creature token first.)

Amass 3. (Put three +1/+1 counters on an Army you control. If you don’t control one, create a 0/0 black Zombie Army creature token first.)

As an additional cost to cast this spell, discard a card.
Draw two cards. Amass 1. (Put a +1/+1 counter on an Army you control. If you don’t control one, create a 0/0 black Zombie Army creature token first.)

Target opponent reveals their hand. You choose a nonland card from it. That player discards that card.
Amass 1. (Put a +1/+1 counter on an Army you control. If you don’t control one, create a 0/0 black Zombie Army creature token first.)

When Dreadhorde Twins enters the battlefield, amass 2. (Put two +1/+1 counters on an Army you control. If you don’t control one, create a 0/0 black Zombie Army creature token first.)
Zombie tokens you control have trample.

Amass X, where X is the number of instant and sorcery cards in your graveyard. (Put X +1/+1 counters on an Army you control. If you don’t control one, create a 0/0 black Zombie Army creature token first.)

Amass 1. (Put a +1/+1 counter on an Army you control. If you don’t control one, create a 0/0 black Zombie Army creature token first.)
You and permanents you control gain hexproof until end of turn. (You and they can’t be the targets of spells or abilities your opponents control.)

When Eternal Skylord enters the battlefield, amass 2. (Put two +1/+1 counters on an Army you control. If you don’t control one, create a 0/0 black Zombie Army creature token first.)
Zombie tokens you control have flying.

Enter the God-Eternals deals 4 damage to target creature and you gain life equal to the damage dealt this way. Target player mills four cards. Amass 4. (Put four +1/+1 counters on an Army you control. If you don’t control one, create a 0/0 black Zombie Army creature token first.)

Creatures you control have menace.
−2: Amass 2. (Put two +1/+1 counters on an Army you control. If you don’t control one, create a 0/0 black Zombie Army creature token first.)