Choose a creature at random. You gain control of that creature until end of turn. Untap it. It gains haste until end of turn. Then destroy all other creatures.
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
When Assaultron Dominator enters, you get (two energy counters).Whenever an artifact creature you control attacks, you may pay . If you do, put your choice of a +1/+1, first strike, or trample counter on that creature.
During your turn, Cait, Cage Brawler has indestructible.Whenever Cait attacks, you and defending player each draw a card, then discard a card. Put two +1/+1 counters on Cait if you discarded the card with the highest mana value among those cards or tied for highest.
Whenever one or more artifact creatures you control deal combat damage to a player, you get (an energy counter).Pay : Create a tapped 3/3 colorless Robot artifact creature token.
Vigilance, trampleWhenever a creature you control deals combat damage to a player, draw a card if that creature has a +1/+1 counter on it. If it doesn't, put a +1/+1 counter on it.