Reflective GateArtifact Land — Gate Food{T}: Add {C}.
{T}: Add one mana of any color that shares a color with a permanent a player controls.
{2}, {T}, Sacrifice this land: You gain 3 life. Twenty Lessons{3}SorceryCast a random Lesson spell without paying its mana cost. If that spell has X in its mana cost, X is 3. (As of today, there are 20 lessons. Perhaps look up a list and roll a d20?) The Mox Painter{1}{G}{U}Legendary Creature — Human Artist{1}, {T}: Choose a tournament-legal Mox you don't control at random. Create a token that's a copy of it. Then if you control all ten, create a Mox Lotus token. (The ten are Amber, Chrome, Diamond, Emerald, Jet, Opal, Pearl, Ruby, Sapphire, and Tantalite. Perhaps roll a d10?)
{W}{U}{B}{R}{G}: Untap The Mox Painter. 1/4 Gomif, Fast Racer{U}{R}Legendary Creature — Human PilotStart your engines!
Gomif's power is equal to your speed.
Your speed can increase beyond 4. (You're still at max speed at 4 or greater.)
At the beginning of your end step, if an opponent lost life this turn, you may draw cards equal to your speed. If you do, discard two cards. */2 Team Mage{2}{U}Creature — Human WizardWhen Team Mage enters, search you library for an artifact card with mana value 4 or greater if you're on Team Cloudspire or an artifact card with mana value 3 or less if you're on Team Speed Demons. Reveal that card, put it into your hand, then shuffle. 2/2 Higher Level Zone Monster{3}{U}Creature — ShapeshifterYou may have this creature enter as a copy of any creature on the battlefield, except it enters with an additional +1/+1 counter on it and it's the colors of your choice in addition to its other colors. 0/0