Deck Rules:
101.1 - All Colossus decks must meet a minimum of 75 cards to be considered legal.
102.1 - There are to be no more than 4 copies of each card in a deck
103.1 - Each deck must contain a minimum of two colors.
103.2 - Colorless is not considered to be a color.
103.3 - A deck is considered multi-colored when at least two of the included colors meet a minimum of 4 cards that contain only one color each.
104.1 - All cards must have a converted mana cost of 7 or over, except for the following:Noncreature artifacts that only contain mana producing and mana manipulation effects that only influence mana producing permanents.
Enchantments that produce or affect the mana production of mana producing spells and permanents.
Sorceries and instants that either provide a fixed amount of mana and/or the manipulation of mana in which the effects are not dependent upon other permanents in play.
The aforementioned examples must fulfill their function without relying upon outside sources. No creatures are to be exceptions to the mana cost rule.
105.1 - Cards with X in the mana cost must be paid with a minimum of 7 mana total. This does not mean that X itself has to be 7 mana or greater. For example, you can cast Secure the Wastes by paying the one white mana that is required and 6 mana of any color towards the X cost for a total of 7.
105.2 - Cards with XX or XXX in the mana cost must be cast with a minimum of 7 total.
106.1 - Cards with an additional cost such as kicker, multi-kicker, entwine cost may be played as long as the additional cost causes the caster to pay at least 7 mana.
106,2- Split cards may be played under the circumstance that at least 7 mana is paid for the chosen side, or split cards with fuse are paid with a total of 7 mana by paying for one or both sides. This does not apply to aftermath cards.
107.1 cards with an overload cost may also be played if their overload cost is 7 cmc or more.
108.1 - Cards with alternative mana costs that are less than 7, such as cards with suspend and morph, are legal as long as the original converted mana cost of the card is 7.
109.1 There is no ban list for cards. All cards that fit the aforementioned criteria are legal to play in a game of Colossus, including unset cards.While Playing:
201.1 - Each player begins the game with 60 life.
202.1 - The game continues like a typical casual, standard, or modern game and no changes have been made to the general game play.
More rulings will be added as questions and unintentional issues arise.The format was designed by me mostly and a little bit by user:raeofsunlight. The written rules were edited and Oh polished up by SecondRate. All questions can be asked in the comments of this deck on MY profile.