Combos Utilizing Colossus-of-Sardia

enchant COlossus of Sardia and untap it without having to pay 9 mana

After attacking with Colossus of Sardia, instead of untapping it, have Metathran Transport change it to a blue creature. Sac Colossus of Sardia to the Homarid Spawning Bed for nine 1/1 blue creatures.

You don't need to tap 9 and 18 damage is dealt.

Play the ornithopter, play tinker, sac the ornithopter, bring out the colossus of sardia, then enchant it with serra's embrace. You now have an 11/11 flyer that don't tap to attack.

play quirion ranger and then play colossus return forest to your hand (quirion ranger ability) and untap colossus for free.

Play paralyze on the colossus and make it easier to untap!

trample them to death when all of them our out and use overrun

17/17 with trample, then peady to defend as a 12/12

cast Dralnu's Pet,pay kicker and discard Colossus of Sardia,you get a 11/11 flyer for 6 mana!then cast Argivian Restoration to bring back Colossus of Sardia,you get a 9/9 trampler for 4 mana!

After attacking with Colossus of Sardia, tap Fylamarid to change it to a blue creature. Sac it to the Homarid Spawning Bed for nine 1/1 blue creatures.