{T}: Add {W}. {2}{W}, {T}: Transform Temple of Civilization. Activate only if you attacked with three or more creatures this turn and only as a sorcery.
Chimil gave the Oltec life. Ojer Taq taught them how to live together.
The The Magical City, New enters the battlefield tapped. {T}: Add {W}, {U}, or {R}. When this mana is spent to cast a legendary spell, put a +1/+1 counter on this land. {4}: The Magical City, New becomes a 1/1 white, blue, and red Human Artist creature until end of turn. The Magical City, New can be your Commander. (Commander tax still applies.)
At the beginning of your upkeep, put a random card from outside the game into your hand. (In Commander sealed, that's everything you didn't play with. In any other commander game, find a way to select a random Magic card.) {T}: Add {W}{U}{B}{R}{G}. This mana can't be spent to pay generic mana costs.
Level up {1}({1}: Put a level counter on this. Level up only as a sorcery.) {T}: Add {C}. LEVEL 1-7 {T}: Add {W}, {B}, {G}, or {C}. LEVEL 8+ {T}: Add {W}, {B}, {G}, or {C}. Scry 1.