M:tG card similarity search
5BB · Creature — Dragon Horror
Flying At the beginning of your end step, exile the top card of each opponent's library. You may play those cards for as long as they remain exiled. If you cast a spell this way, you may spend mana as though it were mana of any color to cast it. Whenever a nonland permanent an opponent owns enters the battlefield under your control, they lose life equal to its mana value. 6/6
| Name | Mana | Type | Text |
|---|---|---|---|
| Priority Boarding | 2R | Enchantment | Whenever you roll a die, you may reveal the top card of your library. Do this only once each turn. Whenever you reveal a card with mana value less than the result this way, you may exile it. If you do, you may play it this turn. |
| Hogaak, Arisen Necropolis | 5B/GB/G | Legendary Creature — Avatar | You can't spend mana to cast this spell. Convoke, delve (Each creature you tap while casting this spell pays for {1} or one mana of that creature's color. Each card you exile from your graveyard pays for {1}.) You may cast Hogaak, Arisen Necropolis from your graveyard. Trample 8/8 |
| A-Lapis Orb of Dragonkind | 2U | Artifact | {T}: Add one mana of any color. When you spend this mana to cast a Dragon creature spell, scry 2. |
| Void Mirror | 2 | Artifact | Whenever a player casts a spell, if no colored mana was spent to cast it, counter that spell. |
| Ob Nixilis, Captive Kingpin | 2BR | Legendary Creature — Demon | Flying, trample Whenever one or more opponents each lose exactly 1 life, put a +1/+1 counter on Ob Nixilis, Captive Kingpin. Exile the top card of your library. Until your next end step, you may play that card. 4/3 |
| Viconia, Disciple of Arcana | 1UB | Legendary Creature — Elf Cleric | When this creature specializes, choose up to one target creature card and up to one target instant or sorcery card from among cards exiled with this creature. Conjure a duplicate of each of those cards into your hand. The duplicates perpetually gain "You may spend mana as though it were mana of any color to cast this spell." {1}: Exile target card from a graveyard. 3/4 |
| Oblivion Sower | 6 | Creature — Eldrazi | When you cast this spell, target opponent exiles the top four cards of their library, then you may put any number of land cards that player owns from exile onto the battlefield under your control. 5/8 |
| Undying Flames | 4RR | Sorcery | Exile cards from the top of your library until you exile a nonland card. Undying Flames deals damage to any target equal to that card's mana value. Epic (For the rest of the game, you can't cast spells. At the beginning of each of your upkeeps, copy this spell except for its epic ability. You may choose a new target for the copy.) |
| Seek | WB | Instant | Search target opponent's library for a card and exile it. You gain life equal to its mana value. Then that player shuffles. |
| Ire Shaman | 1R | Creature — Orc Shaman | Menace (This creature can't be blocked except by two or more creatures.) Megamorph {R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.) When Ire Shaman is turned face up, exile the top card of your library. Until end of turn, you may play that card. 2/1 |