M:tG card similarity search
4 · Artifact
As Door of Destinies enters the battlefield, choose a creature type. Whenever you cast a spell of the chosen type, put a charge counter on Door of Destinies. Creatures you control of the chosen type get +1/+1 for each charge counter on Door of Destinies.
| Name | Mana | Type | Text |
|---|---|---|---|
| Firemind's Research | UR | Enchantment | Whenever you cast an instant or sorcery spell, put a charge counter on Firemind's Research. {1}{U}, Remove two charge counters from Firemind's Research: Draw a card. {1}{R}, Remove five charge counters from Firemind's Research: It deals 5 damage to any target. |
| Apex Observatory | Artifact | Apex Observatory enters the battlefield tapped. As it enters, choose a card type shared among two exiled cards used to craft it. {T}: The next spell you cast this turn of the chosen type can be cast without paying its mana cost. | |
| Vision Charm | U | Instant | Choose one — • Target player mills four cards. • Choose a land type and a basic land type. Each land of the first chosen type becomes the second chosen type until end of turn. • Target artifact phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before its controller untaps during their next untap step.) |
| Black Market | 3BB | Enchantment | Whenever a creature dies, put a charge counter on Black Market. At the beginning of your precombat main phase, add {B} for each charge counter on Black Market. |
| Trigon of Infestation | 4 | Artifact | Trigon of Infestation enters the battlefield with three charge counters on it. {G}{G}, {T}: Put a charge counter on Trigon of Infestation. {2}, {T}, Remove a charge counter from Trigon of Infestation: Create a 1/1 green Phyrexian Insect creature token with infect. |
| Defensive Maneuvers | 3W | Instant | Creatures of the creature type of your choice get +0/+4 until end of turn. |
| Tribal Unity | X2G | Instant | Creatures of the creature type of your choice get +X/+X until end of turn. |
| Roots of Life | 1GG | Enchantment | As Roots of Life enters the battlefield, choose Island or Swamp. Whenever a land of the chosen type an opponent controls becomes tapped, you gain 1 life. |
| Prismatic Omen | 1G | Enchantment | Lands you control are every basic land type in addition to their other types. |
| Walking Desecration | 2B | Creature — Zombie | {B}, {T}: Creatures of the creature type of your choice attack this turn if able. 1/1 |