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 |
|---|---|---|---|
| Family's Favor | 2G | Enchantment | Whenever you attack, put a shield counter on target attacking creature. Until end of turn, it gains "Whenever this creature deals combat damage to a player, remove a shield counter from it. If you do, draw a card." (If a creature with a shield counter on it would be dealt damage or destroyed, remove a shield counter from it instead.) |
| Helldozer | 3BBB | Creature — Zombie Giant | {B}{B}{B}, {T}: Destroy target land. If that land was nonbasic, untap Helldozer. 6/5 |
| Bounty Board | 3 | Artifact | {T}: Add one mana of any color. {1}, {T}: Put a bounty counter on target creature. Activate only as a sorcery. Whenever a creature with a bounty counter on it dies, each of its controller's opponents draws a card and gains 2 life. |
| Collapsing Borders | 3R | Enchantment | Domain — At the beginning of each player's upkeep, that player gains 1 life for each basic land type among lands they control. Then Collapsing Borders deals 3 damage to that player. |
| Ecologist's Terrarium | 2 | Artifact | When Ecologist's Terrarium enters the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle. {2}, {T}, Sacrifice Ecologist's Terrarium: Put a +1/+1 counter on target creature. Activate only as a sorcery. |
| Vaporous Djinn | 2UU | Creature — Djinn | Flying At the beginning of your upkeep, Vaporous Djinn phases out unless you pay {U}{U}. (While it's phased out, it's treated as though it doesn't exist. It phases in before you untap during your next untap step.) 3/4 |
| Thermokarst | 1GG | Sorcery | Destroy target land. If that land was a snow land, you gain 1 life. |
| Cover of Winter | 2W | Snow Enchantment | Cumulative upkeep {S} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it. {S} can be paid with one mana from a snow source.) If a creature would deal combat damage to you and/or one or more creatures you control, prevent X of that damage, where X is the number of age counters on Cover of Winter. {S}: Put an age counter on Cover of Winter. |
| Calciform Pools | Land | {T}: Add {C}. {1}, {T}: Put a storage counter on Calciform Pools. {1}, Remove X storage counters from Calciform Pools: Add X mana in any combination of {W} and/or {U}. | |
| Dreadship Reef | Land | {T}: Add {C}. {1}, {T}: Put a storage counter on Dreadship Reef. {1}, Remove X storage counters from Dreadship Reef: Add X mana in any combination of {U} and/or {B}. |