HasteLieutenant — At the beginning of combat on your turn, if you control your commander, create a 1/1 colorless Thopter artifact creature token with flying. That token gains haste until end of turn.
Omarthis, Ghostfire Initiate enters with X +1/+1 counters on it.Whenever you put one or more +1/+1 counters on another colorless creature, you may put a +1/+1 counter on Omarthis.When Omarthis dies, manifest a number of cards from the top of your library equal to the number of counters on it.
Exile target creature. Its controller manifests the top card of their library. (That player puts the top card of their library onto the battlefield face down as a 2/2 creature. If it's a creature card, it can be turned face up any time for its mana cost.)
When Phyrexian Triniform dies, create three 3/3 colorless Phyrexian Golem artifact creature tokens.Encore (, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)
This spell costs less to cast, where X is the total mana value of noncreature enchantments you control.Trample, Sacrifice another enchantment: Nyxborn Behemoth gains indestructible until end of turn.