Menace, haste

Whenever Satya, Aetherflux Genius attacks, create a tapped and attacking token that's a copy of up to one other target nontoken creature you control. You get (two energy counters). At the beginning of the next end step, sacrifice that token unless you pay an amount of equal to its mana value.

When Scurry of Gremlins enters, create two 1/1 red Gremlin creature tokens. Then you get an amount of (energy counters) equal to the number of creatures you control.

Pay : Creatures you control get +1/+0 and gain haste until end of turn.

Flash (You may cast this spell any time you could cast an instant.)

Whenever Shielded Aether Thief blocks, you get (an energy counter).

, Pay : Draw a card.

Menace

When Smelted Chargebug enters, you get (two energy counters).

Whenever Smelted Chargebug attacks, you may pay . If you do, another target attacking creature gets +1/+0 and gains menace until end of turn.

When Solstice Zealot enters, you get (two energy counters).

, Pay : Tap target creature.

When Spontaneous Artist enters, you get (an energy counter).

Pay : Target creature gains haste until end of turn.

Whenever a creature you control attacks, you get (an energy counter).

, Pay six : Create a 6/12 colorless Construct artifact creature token with trample. Activate only as a sorcery.

When T-45 Power Armor enters, you get (two energy counters).

Equipped creature gets +3/+3 and doesn't untap during its controller's untap step.

At the beginning of your upkeep, you may pay . If you do, untap equipped creature, then put your choice of a menace, trample, or lifelink counter on it.

Equip

Trample

Whenever you get one or more (energy counters), Territorial Gorger gets +2/+2 until end of turn.

When Thriving Grubs enters, you get (two energy counters).

Whenever Thriving Grubs attacks, you may pay . If you do, put a +1/+1 counter on it.

When Thriving Rats enters, you get (two energy counters).

Whenever Thriving Rats attacks, you may pay . If you do, put a +1/+1 counter on it.

Flying

When Thriving Skyclaw enters, you get (three energy counters).

Whenever Thriving Skyclaw attacks, you may pay . If you do, put a +1/+1 counter on it.

Draw a card. You get (two energy counters).

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I, II — Tap up to one target creature and put a stun counter on it. You get (two energy counters).

III — Pay any amount of . If you paid one or more this way, shuffle your library, then exile that many cards from the top. You may play one of those cards without paying its mana cost.

Flying

When Voltstorm Angel enters, you get (three energy counters).

At the beginning of combat on your turn, you may pay . When you do, choose one —

• Voltstorm Angel gains vigilance and lifelink until end of turn.

• Other creatures you control get +1/+1 until end of turn.

When Whirler Virtuoso enters, you get (three energy counters).

Pay : Create a 1/1 colorless Thopter artifact creature token with flying.

You get X (energy counters), then you may pay any amount of . Destroy each artifact, creature, and enchantment with mana value less than or equal to the amount of paid this way.