Aetherstorm Roc [Kaladesh] Elf Scout "If the hierarchies of nature

"If the hierarchies of nature were determined by ferocity alone

Triskelavus enters the battlefield with three +1/+1 counters on it

Set: Kaladesh Promos Type: Artifact Creature — Construct Rarity: Uncommon Cost: {3} Other artifact creatures you control get +1/+1

knowing that their builders were unknowingly drawn by the convergence of mana in the area

Aetherstorm Roc [Kaladesh] Elf Scout "If the hierarchies of natureSet: Kaladesh Type: Creature Bird Rarity: Rare Cost: {2}{W}{W} Flying Whenever Aetherstorm Roc or another creature enters the battlefield under your control, you get {E} (an energy counter). Whenever Aetherstorm Roc attacks, you may pay {E}{E}. If you do, put a +1 +1 counter on it and tap up to one target creature defending player controls.