M:tG card similarity search
· 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.
| Name | Mana | Type | Text |
|---|---|---|---|
| Illusionary Terrain | UU | Enchantment | Cumulative upkeep {2} (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.) As Illusionary Terrain enters the battlefield, choose two basic land types. Basic lands of the first chosen type are the second chosen type. |
| Adaptive Automaton | 3 | Artifact Creature — Construct | As Adaptive Automaton enters the battlefield, choose a creature type. Adaptive Automaton is the chosen type in addition to its other types. Other creatures you control of the chosen type get +1/+1. 2/2 |
| Herald's Horn | 3 | Artifact | As Herald's Horn enters the battlefield, choose a creature type. Creature spells you cast of the chosen type cost {1} less to cast. At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand. |
| Semblance Anvil | 3 | Artifact | Imprint — When Semblance Anvil enters the battlefield, you may exile a nonland card from your hand. Spells you cast that share a card type with the exiled card cost {2} less to cast. |
| A-Thran Portal | Land — Gate | As A-Thran Portal enters the battlefield, choose a basic land type. Thran Portal is the chosen type in addition to its other types. Mana abilities of A-Thran Portal cost an additional 1 life to activate. | |
| Arcane Adaptation | 2U | Enchantment | As Arcane Adaptation enters the battlefield, choose a creature type. Creatures you control are the chosen type in addition to their other types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield. |
| Fevered Suspicion | 6BR | Sorcery | Each opponent exiles cards from the top of their library until they exile a nonland card. You may cast any number of spells from among those nonland cards without paying their mana costs. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.) |
| Deadly Rollick | 3B | Instant | If you control a commander, you may cast this spell without paying its mana cost. Exile target creature. |
| Possibility Storm | 3RR | Enchantment | Whenever a player casts a spell from their hand, that player exiles it, then exiles cards from the top of their library until they exile a card that shares a card type with it. That player may cast that card without paying its mana cost. Then they put all cards exiled with Possibility Storm on the bottom of their library in a random order. |
| Sarevok's Tome | 4 | Artifact | When Sarevok's Tome enters the battlefield, you take the initiative. {T}: Add {C}. If you have the initiative, add {C}{C} instead. {3}, {T}: Exile cards from the top of your library until you exile a nonland card. You may cast that card without paying its mana cost. Activate only if you've completed a dungeon. |