Ulalek, Fused Atrocity (Borderless) (Ripple Foil) [Modern Horizons 3 Commander] Plague there are rules for mustering

there are rules for mustering an army

put a +1/+1 counter on Managorger Hydra

Revolt — Destroy that creature if it has mana value 4 or less instead if a permanent you controlled left the battlefield this turn

Set: Secret Lair Drop Series Type: Artifact Rarity: Rare Cost: {4} As Door of Destinies enters the battlefield

(Artifacts

Ulalek, Fused Atrocity (Borderless) (Ripple Foil) [Modern Horizons 3 Commander] Plague there are rules for musteringSet: Modern Horizons 3 Commander Type: Legendary Creature Eldrazi Rarity: Mythic Cost: {C W}{C U}{C B}{C R}{C G} Devoid (This card has no color.) Whenever you cast an Eldrazi spell, spell, you may pay {C}{C}. If you do, copy all spells you control, then copy all other activated and triggered abilities you control. You may choose new targets for the copies. (Mana abilities can't be copied.)