Darksteel

Flying Hoverguard Observer can block only creatures with flying.

Enchant Equipment When Carry Away enters the battlefield, unattach enchanted Equipment. You control enchanted Equipment.

Prevent the next 3 damage that would be dealt to target creature this turn. For each 1 damage prevented this way, put a +1/+1 counter on that creat...

{T}: Add {C}. {T}: Put a charge counter on Mirrodin's Core. {T}, Remove a charge counter from Mirrodin's Core: Add one mana of any color.

Whenever a player casts a green spell, you may gain 1 life.

{3}, {T}: Flip a coin. If you win the flip, create a 2/2 colorless Insect artifact creature token with flying named Wirefly. If you lose the flip, ...

Choose one — • Creatures you control get +2/+2 until end of turn. • Until end of turn, creatures you control gain "Whenever this creature deals d...

{2}: Untap target artifact creature.

As long as Thunderstaff is untapped, if a creature would deal combat damage to you, prevent 1 of that damage. {2}, {T}: Attacking creatures get +1/...

Whenever a source you control other than Talon of Pain deals damage to an opponent, put a charge counter on Talon of Pain. {X}, {T}, Remove X charg...

Equipped creature has first strike and "{T}, Unattach Surestrike Trident: This creature deals damage equal to its power to target player or planesw...

Whenever Spincrusher blocks, put a +1/+1 counter on it. Remove a +1/+1 counter from Spincrusher: Spincrusher can't be blocked this turn.

Equipped creature gets +1/+0. Whenever equipped creature deals combat damage to a player, that player discards a card. Equip {1} ({1}: Attach to ta...

Sacrifice a creature: Put a charge counter on Spawning Pit. {1}, Remove two charge counters from Spawning Pit: Create a 2/2 colorless Spawn artifac...

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

All creatures able to block equipped creature do so. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery. This card ente...

Whenever a player casts a blue spell, you may gain 1 life.

Juggernaut attacks each combat if able. Juggernaut can't be blocked by Walls.

Whenever an opponent discards a card, you may draw a card.

Whenever a nontoken creature enters the battlefield, if Genesis Chamber is untapped, that creature's controller creates a 1/1 colorless Myr artifac...

Destroy target artifact creature or black creature. It can't be regenerated.

Whenever a player casts a red spell, you may gain 1 life.

Whenever a player casts a black spell, you may gain 1 life.

Flying Indestructible (Damage and effects that say "destroy" don't destroy this creature.)