Mirrodin

At the beginning of your precombat main phase, add {B} for each charge counter on Altar of Shadows. {7}, {T}: Destroy target creature. Then put a c...

Loxodon Punisher gets +2/+2 for each Equipment attached to it.

Hexproof (This creature can't be the target of spells or abilities your opponents control.) {1}{G}: Regenerate Troll Ascetic.

Choose one — • Search your library for up to two creature cards, reveal them, put them into your hand, then shuffle. • Put up to two creature cards...

At the beginning of your upkeep, the player with the lowest life total gains control of Loxodon Peacekeeper. If two or more players are tied for lo...

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

At the beginning of each player's upkeep, that player sacrifices an artifact.

Trample Whenever Living Hive deals combat damage to a player, create that many 1/1 green Insect creature tokens.

Each artifact spell costs {1} more to cast for each artifact its controller controls.

First strike {T}: Destroy target artifact if its mana value is equal to the amount of unspent mana you have.

Copperhoof Vorrac gets +1/+1 for each untapped permanent your opponents control.

When War Elemental enters the battlefield, sacrifice it unless an opponent was dealt damage this turn. Whenever an opponent is dealt damage, put th...

Haste When Vulshok Battlemaster enters the battlefield, attach all Equipment on the battlefield to it. (Control of the Equipment doesn't change.)

As an additional cost to cast this spell, sacrifice an artifact. Return target artifact card from your graveyard to the battlefield.

Sacrifice an artifact: Megatog gets +3/+3 and gains trample until end of turn.

All creatures have haste.

{R}, Exile the top ten cards of your library: Arc-Slogger deals 2 damage to any target.

Artifacts you control have hexproof. (They can't be the targets of spells or abilities your opponents control.)

Flying When Reiver Demon enters the battlefield, if you cast it from your hand, destroy all nonartifact, nonblack creatures. They can't be regenera...

At the beginning of each player's upkeep, that player discards a card.

Whenever you cast an artifact spell, draw a card.

{1}, {T}: Target player draws a card, then discards a card. If that player discards an artifact card this way, untap Lumengrid Augur.

At the beginning of each opponent's upkeep, that player chooses draw step, main phase, or combat phase. The player skips each instance of the chose...

At the beginning of the end step, if you control no artifacts, sacrifice Glimmervoid. {T}: Add one mana of any color.