Darksteel

Whenever you gain life, put that many +1/+1 counters on Ageless Entity.

At the beginning of your upkeep, put a +1/+1 counter on each creature with modular you control. Modular 6 (This creature enters the battlefield wit...

{1}{G}, Sacrifice Viridian Zealot: Destroy target artifact or enchantment.

Flying As long as Pristine Angel is untapped, it has protection from artifacts and from all colors. Whenever you cast a spell, you may untap Pristi...

Whenever Roaring Slagwurm attacks, tap all artifacts.

Put two target artifacts on top of their owners' libraries.

Create a 3/3 green Beast creature token. Then if an opponent controls more creatures than you, return Pulse of the Tangle to its owner's hand.

Sacrifice an artifact: Target artifact gains indestructible until end of turn.

Change the target of target spell with a single target.

Cast this spell only during your turn and only during combat. Choose one — • Creatures you control gain double strike until end of turn. • Untap al...

Pulse of the Forge deals 4 damage to target player or planeswalker. Then if that player or that planeswalker's controller has more life than you, r...

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Flying When Furnace Dragon enters the battlefield, if you...

Flamebreak deals 3 damage to each creature without flying and each player. Creatures dealt damage this way can't be regenerated this turn.

You may activate equip abilities any time you could cast an instant.

Choose one — • Until end of turn, whenever a creature is dealt damage, destroy it. • Until end of turn, whenever a creature dies, that creature's...

Target player reveals three cards from their hand and you choose one of them. That player discards that card. Then if that player has more cards in...

Mephitic Ooze gets +1/+0 for each artifact you control. Whenever Mephitic Ooze deals combat damage to a creature, destroy that creature. The creat...

At the beginning of your upkeep, sacrifice a permanent. Whenever Greater Harvester deals combat damage to a player, that player sacrifices two perm...

Each player loses X life, discards X cards, sacrifices X creatures, then sacrifices X lands.

Remove all counters from all permanents and exile all tokens.

{X}, {T}: Tap X target noncreature artifacts. {X}, {T}: Untap X target noncreature artifacts.

Return all artifacts you control to their owner's hand.

As an additional cost to cast this spell, sacrifice an artifact. Search your library for an artifact card with mana value X or less, put it onto th...

Draw two cards, then discard a card. Then if an opponent has more cards in hand than you, return Pulse of the Grid to its owner's hand.