M:tG card similarity search
1R · Artifact
{1}, {T}: Add two mana in any combination of colors. Spend this mana only to cast Dragon spells or activate abilities of Dragons. {R}, {T}, Sacrifice Orb of Dragonkind: Look at the top seven cards of your library. You may reveal a Dragon card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
| Name | Mana | Type | Text |
|---|---|---|---|
| Library of Alexandria | Land | {T}: Add {C}. {T}: Draw a card. Activate only if you have exactly seven cards in hand. | |
| Yet Another Aether Vortex | 3RR | Enchantment | All creatures have haste. Players play with the top card of their libraries revealed. Noninstant, nonsorcery cards on top of a library are on the battlefield under their owner's control in addition to being in that library. |
| Crackdown Construct | 4 | Artifact Creature — Construct | Whenever you activate an ability of an artifact or creature that isn't a mana ability, Crackdown Construct gets +1/+1 until end of turn. 2/2 |
| Gravestone Strider | 2 | Artifact Creature — Golem | {1}: Add one mana of any color. Activate only once each turn. {2}, Exile Gravestone Strider from your graveyard: Exile target card from a graveyard. 1/3 |
| A-Sewer Crocodile | 5U | Creature — Crocodile | {3}{U}: Sewer Crocodile can't be blocked this turn. This ability costs {3} less to activate if there are five or more mana values among cards in your graveyard. 4/7 |
| Nimbus Maze | Land | {T}: Add {C}. {T}: Add {W}. Activate only if you control an Island. {T}: Add {U}. Activate only if you control a Plains. | |
| Mana Geode | 3 | Artifact | When Mana Geode enters the battlefield, scry 1. {T}: Add one mana of any color. |
| The Secret Lair | Legendary Land — Lair | {T}: Add {C}. {T}, Say the secret word: Add one mana of any color. Scry 1. You gain 1 life. | |
| Bronze Walrus | 3 | Artifact Creature — Walrus | When Bronze Walrus enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.) {T}: Add one mana of any color. 2/2 |
| Runecarved Obelisk | 4 | Artifact | {T}: Add {C}{C}. Put two charge counters on Runecarved Obelisk. {T}, Sacrifice Runecarved Obelisk: Seek a card with the highest mana value among cards in your library with mana value X or less, where X is the number of charge counters on Runecarved Obelisk. |