Dragons of Tarkir

Equipped creature gets +1/+1. Whenever a creature enters the battlefield under your control, you may attach Stormrider Rig to it. Equip {2}

You may look at face-down creatures you don't control any time.

As long as you control a Dragon, Dragonloft Idol gets +1/+1 and has flying and trample.

{T}: Add {R} or {G}. {4}{R}{G}: Atarka Monument becomes a 4/4 red and green Dragon artifact creature with flying until end of turn.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a Dragon creature spell. {2}, {T}, Sacrifice Haven of the Spirit Dragon:...

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{2}, {T}, Sacrifice Vial of Dragonfire: It deals 2 damage to target creature.

{2}, {T}: Draw a card. Activate only if you've cast a noncreature spell this turn.

Equipped creature gets +0/+2 and has reach. (It can block creatures with flying.) Equip {2} ({2}: Attach to target creature you control. Equip only...