Chain Reaction

Flying At the beginning of each end step, put X +1/+1 counters on each creature you control, where X is the number of creatures that died under your control this turn.

Draw cards equal to the greatest mana value among artifacts you control.

Trample Whenever this creature enters or attacks, you get E (an energy counter) for each creature you control. Pay E: This creature gets +1/+1 until end of turn.

Landfall — Whenever a land you control enters, you get EE (two energy counters). You may pay eight E rather than pay the mana cost for permanent spells you cast.

Flying, haste When this creature enters, you get EE (two energy counters). Then you may pay one or more E. When you do, this creature deals that much damage to each other creature.

When Pia and Kiran Nalaar enters, create two 1/1 colorless Thopter artifact creature tokens with flying. 2R, Sacrifice an artifact: Pia and Kiran Nalaar deals 2 damage to any target.

T: Add C. 1U, T: Put target artifact card from your graveyard on top of your library.

Flying Each creature card in your hand has cycling 1U. (1U, Discard that card: Draw a card.)