Advanced Search Sets Random Syntax Ajani, Outland Chaperone Allosaurus Rider Ambitious Augmenter Amzu, Swarm's Hunger Artifact Mutation Aspect of Hydra Atarka Monument Aura Mutation Baffling End Baloth Cage Trap Berta, Wise Extrapolator Bounty of the Hunt Bringer of the Green Dawn Cactus Preserve Caldaia Guardian Change the Equation Circle of Protection: Green Cobra Trap Comet, Stellar Pup Containment Breach Convert to Slime Courier's Briefcase Crashing Footfalls Death Mutation Deekah, Fractal Theorist Defiler of Vigor Domri, Chaos Bringer Dromoka Monument Dryad Arbor Elvish Champion Avatar Essence Leak Exhibition Magician Fallaji Wayfarer Fangorn, Tree Shepherd Feeding Grounds Feral Incarnation Flare of Cultivation Force of Vigor Fractal Tender Freyalise, Llanowar's Fury Garenbrig Paladin Geometric Nexus Gilt-Leaf Ambush Goblin Clearcutter Golgari Keyrune Green Mana Battery Green Sun's Zenith Grove of the Guardian Gruul Keyrune Hatchery Spider Heart Warden Hedge Whisperer Hickory Woodlot Hissing Quagmire Horn of Ramos Insidious Roots It of the Horrid Swarm Jungle Patrol Karametra's Acolyte Kasmina, Enigma Sage Khalni Garden Kianne, Dean of Substance Klothys's Design Kruphix, God of Horizons Lattice Library Liege of the Hollows Lifelace Living Lands Llanowar Elves Llanowar Mentor Lukka, Bound to Ruin Lumbering Falls

The only exception are the Leonin of the Therosian planes, who answer to no god after throwing off the Achon rulers of old
Even the cheap Commands are two different coloured mana to play
Don't let this opportunity pass by -- ignite your game with the power of Charizard EX today
I wouldn't even fully call it a flaw , though, because decks can be built in colorless to work around or even exploit that fact
That will not be this deck, although a few cards here and there will likely populate given both care about attack triggers and both share two colors