Keyword: Indestructible

Indestructible (Damage and effects that say “destroy” don’t destroy this creature. If its toughness is 0 or less, it’s still put into its owner’s graveyard.)

Indestructible (Effects that say “destroy” don’t destroy this artifact.)
Equipped creature gets +2/+0.
Equip

Indestructible
: Add .

Indestructible
As Phylactery Lich enters the battlefield, put a phylactery counter on an artifact you control.
When you control no permanents with phylactery counters on them, sacrifice Phylactery Lich.

When you cast this spell, destroy target permanent.
Indestructible
Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents.)
When Ulamog, the Infinite Gyre is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

Level up (: Put a level counter on this. Level up only as a sorcery.)
LEVEL 6-11
6/6
Lifelink
LEVEL 12+
9/9
Lifelink, indestructible

Trample, indestructible
If Darksteel Colossus would be put into a graveyard from anywhere, reveal Darksteel Colossus and shuffle it into its owner’s library instead.

Indestructible
: Target creature with power 5 or greater gains indestructible until end of turn.

Indestructible
Whenever Sapling of Colfenor attacks, reveal the top card of your library. If it’s a creature card, you gain life equal to that card’s toughness, lose life equal to its power, then put it into your hand.

Indestructible
As Stuffy Doll enters the battlefield, choose a player.
Whenever Stuffy Doll is dealt damage, it deals that much damage to the chosen player.
: Stuffy Doll deals 1 damage to itself.

Vigilance, indestructible
Bushido 5 (Whenever this creature blocks or becomes blocked, it gets +5/+5 until end of turn.)

Indestructible
: Add .

Indestructible (Effects that say “destroy” don’t destroy this artifact.)
At the beginning of your upkeep, you may put a charge counter on Darksteel Reactor.
When Darksteel Reactor has twenty or more charge counters on it, you win the game.

Trample, indestructible
If Darksteel Colossus would be put into a graveyard from anywhere, reveal Darksteel Colossus and shuffle it into its owner’s library instead.

Indestructible
: Add one mana of any color.

Flying
Indestructible (Damage and effects that say “destroy” don’t destroy this creature.)

Indestructible (Effects that say “destroy” don’t destroy this artifact.)
, : Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Indestructible (Effects that say “destroy” don’t destroy this artifact.)
Myr creatures get +1/+1.
: Create a 1/1 colorless Myr artifact creature token.

Indestructible (Damage and effects that say “destroy” don’t destroy this artifact.)
: Darksteel Brute becomes a 2/2 Beast artifact creature until end of turn.

Indestructible
: Add one mana of any color.