M:tG card similarity search
4 · Artifact
{2}, {T}: 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.
| Name | Mana | Type | Text |
|---|---|---|---|
| Raven's Run | Plane — Shadowmoor | All creatures have wither. (They deal damage to creatures in the form of -1/-1 counters.) Whenever chaos ensues, put a -1/-1 counter on target creature, two -1/-1 counters on another target creature, and three -1/-1 counters on a third target creature. | |
| Keensight Mentor | 2W | Creature — Human Cleric | When Keensight Mentor enters the battlefield, put a vigilance counter on target non-Human creature you control. {1}{W}, {T}: Put a +1/+1 counter on each creature you control with vigilance. 1/4 |
| Grasping Shadows | 3B | Enchantment | Whenever a creature you control attacks alone, it gains deathtouch and lifelink until end of turn. Put a dread counter on Grasping Shadows. Then if there are three or more dread counters on it, transform it. |
| Gainsay | 1U | Instant | Counter target blue spell. |
| Aegis of the Legion | RW | Artifact — Equipment | Equipped creature gets +1/+1 and has mentor. (Whenever it attacks, put a +1/+1 counter on target attacking creature with lesser power.) Whenever equipped creature mentors a creature, put a shield counter on that creature. (If that creature would be dealt damage or destroyed, remove a shield counter from it instead.) Equip {3} |
| Trenzalore Clocktower | Legendary Land | {T}: Add {U}. Put a time counter on Trenzalore Clocktower. {1}{U}, {T}, Remove twelve time counters from Trenzalore Clocktower and exile it: Shuffle your graveyard and hand into your library, then draw seven cards. Activate only if you control a Time Lord. | |
| Custody Battle | 1R | Enchantment — Aura | Enchant creature Enchanted creature has "At the beginning of your upkeep, target opponent gains control of this creature unless you sacrifice a land." |
| Lightwalker | 1W | Creature — Human Warrior | Lightwalker has flying as long as it has a +1/+1 counter on it. 2/1 |
| Territorial Dispute | 4RR | Enchantment | At the beginning of your upkeep, sacrifice Territorial Dispute unless you sacrifice a land. Players can't play lands. |
| Mindsplice Apparatus | 3U | Artifact | Flash At the beginning of your upkeep, put an oil counter on Mindsplice Apparatus. Instant and sorcery spells you cast cost {1} less to cast for each oil counter on Mindsplice Apparatus. |