Life Matrix
Legends — Rare
Artifact
Life Matrix rulings:
2004-10-04: Once the counter is placed on the creature, the ability to remove it can only be activated by the player who controls the creature.

Legends — Rare
Artifact
Life Matrix rulings:
2004-10-04: Once the counter is placed on the creature, the ability to remove it can only be activated by the player who controls the creature.

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Artifact
, : Put a mire counter on target non-Swamp land. That land is a Swamp for as long as it has a mire counter on it. Activate only during your upkeep.
When Cyclopean Tomb is put into a graveyard from the battlefield, at the beginning of each of your upkeeps for the rest of the game, remove all mire counters from a land that a mire counter was put onto with Cyclopean Tomb but that a mire counter has not been removed from with Cyclopean Tomb.
Creature — Dwarf Artificer (1/1)
, Sacrifice an artifact: Put a +1/+1 counter on target creature. Activate only during your upkeep.
Artifact Creature — Horse (0/3)
Clockwork Steed enters with four +1/+0 counters on it.
Clockwork Steed can't be blocked by artifact creatures.
At end of combat, if Clockwork Steed attacked or blocked this combat, remove a +1/+0 counter from it.
, : Put up to X +1/+0 counters on Clockwork Steed. This ability can't cause the total number of +1/+0 counters on Clockwork Steed to be greater than four. Activate only during your upkeep.
Creature — Avatar Praetor (5/5)
First strike, trample
At the beginning of your upkeep, put a -2/-2 counter on Ebon Praetor.
Sacrifice a creature: Remove a -2/-2 counter from Ebon Praetor. If the sacrificed creature was a Thrull, put a +1/+0 counter on Ebon Praetor. Activate only during your upkeep and only once each turn.
Instant
Put X glyph counters on target creature that target Wall blocked this turn, where X is the power of that blocked creature. The creature gains "This creature doesn't untap during your untap step if it has a glyph counter on it" and "At the beginning of your upkeep, remove a glyph counter from this creature."
Creature — Spirit (2/1)
Shadow (This creature can block or be blocked by only creatures with shadow.)
Forecast — , Reveal Spirit en-Dal from your hand: Target creature gains shadow until end of turn. (Activate only during your upkeep and only once each turn.)
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