It is even very splashable to provide decks with big creatures the option to completely change game dynamics
Shimmer Myr will give my artifacts flash, but it's just the tip of the iceberg
Its a cool down rather than a collapse, but theres no reason to chase this one today
By far and away the three most commonly played aggressive colours played in cube are mono red, mono white, and Boros, for which Figure is a perfect one drop and mana sink
Compare with Birthing Pod from New Phyrexia (an artifact with 3+Phyrexian Green Mana casting cost, activation: 1+Phyrexian Green Mana, Tap, Sacrifice a creature: Search your library for a creature card with converted mana cost equal to 1 plus the sacrificed creature's converted mana cost, put that card onto the battlefield, then shuffle your library
And talking about Colossus, I don't consider single-color protection creatures that bad for the environment - they reward sideboard-mindful picks and punish mono colored decks (which are rare anyway, but I find them dull)