At the beginning of your upkeep, put a doom counter on Armageddon Clock. At the beginning of your draw step, Armageddon Clock deals damage equal to the number of doom counters on it to each player. {4}: Remove a doom counter from Armageddon Clock. Any player may activate this ability but only during any upkeep step.
The first line of defense against Urza and Mishra, the Artifact Blast achieved widespread fame until an unlucky mage discovered it was useless on the devices the brothers had already created.
Enchant artifact Whenever enchanted artifact becomes tapped or a player activates an ability of enchanted artifact without {T} in its activation cost, Artifact Possession deals 2 damage to that artifact's controller.
Any black mage could coax a Thraxodemon to inhabit a magical device.
Enchant creature Enchanted creature can't be blocked by artifact creatures. Prevent all damage that would be dealt to enchanted creature by artifact sources. Enchanted creature can't be the target of abilities from artifact sources.
You may choose not to untap Ashnod's Battle Gear during your untap step. {2}, {T}: Target creature you control gets +2/-2 for as long as Ashnod's Battle Gear remains tapped.
This invention shows why Ashnod was feared by her troops as well as her foes.
{T}, Sacrifice Ashnod's Transmogrant: Put a +1/+1 counter on target nonartifact creature. That creature becomes an artifact in addition to its other types.
Ashnod found few willing to trade their humanity for the power she offered.
Enchant creature Enchanted creature gets +X/+Y, where X is half the number of Forests you control, rounded down, and Y is half the number of Forests you control, rounded up.
When Aswan Jaguar comes into play, choose a random creature type from those in target opponent's deck. {G}{G}, {T}: Bury target creature of the chosen type.
Each player chooses a number of lands they control equal to the number of lands controlled by the player who controls the fewest, then sacrifices the rest. Players discard cards and sacrifice creatures the same way.