Indestructible (Damage and effects that say "destroy" don't destroy this artifact.) {3}: This artifact becomes a 2/2 Beast artifact creature until end of turn.

Artifacts you control have indestructible. (Effects that say "destroy" don't destroy them. Artifact creatures with indestructible can't be destroyed by damage.)

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Indestructible (Damage and effects that say "destroy" don't destroy this creature.) If Darksteel Colossus would be put into a graveyard from anywhere, reveal Darksteel Colossus and shuffle it into its owner's library instead.

Tap an untapped nontoken artifact you control: Add {G}. Tap two untapped nontoken artifacts you control: Exile the top card of your library. You may play it this turn.

When this creature dies, create three 3/3 colorless Phyrexian Golem artifact creature tokens. Encore {12} ({12}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Your life total can't change. (You can't gain or lose life. You can't pay any amount of life except 0.)

Prototype {1}{G} — 2/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) {3}{G}{G}, Sacrifice this creature: Create an X/X colorless Golem artifact creature token, where X is three times this creature's power. It gains haste until end of turn. Activate only as a sorcery.

Flying, vigilance, trample When this creature dies, create a 3/3 colorless Golem artifact creature token with flying, a 3/3 colorless Golem artifact creature token with vigilance, and a 3/3 colorless Golem artifact creature token with trample.