clobbopus pokemon card - SV072/SV122 - Shining Fates - Shiny Vault Basic Pokemon Pokemon Card Game/[S4a] Shiny Star

2 Betor, Kin To All Reward Yourself Perhaps the most powerful card to come from Tarkir: Dragonstorm, Betor, Kin to All is a white, black, and green Spirit Dragon that rewards you for reaching specific toughness totals out on the battlefield

It does have enough mana to cast either Chaos Orb or Howling Mine on the second turn though, as well as Strip Mine protection from an opposing Library of Alexandria

Merchant Scroll Zuran Orb Orcish Lumberjack Dance of the Dead Anarchy Barbed Sextant Elemental Augry Enduring Renewal Fiery Justice Glacial Chasm Hydroblast Pyroblast Ice Quake Thermokast Illusions of Granduer Jokulhaups Mystic Remora Pox Zur's Weirding Tinder Wall 10

This is a mighty big spell and is probably the best thing about this list in a cube setting