M:tG card similarity search
UU · Creature — Merfolk Wizard
When Thassa's Oracle enters the battlefield, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.) 1/3
| Name | Mana | Type | Text |
|---|---|---|---|
| Boggart Harbinger | 2B | Creature — Goblin Shaman | When Boggart Harbinger enters the battlefield, you may search your library for a Goblin card, reveal it, then shuffle and put that card on top. 2/1 |
| Ancient Brass Dragon | 5BB | Creature — Elder Dragon | Flying Whenever Ancient Brass Dragon deals combat damage to a player, roll a d20. When you do, put any number of target creature cards with total mana value X or less from graveyards onto the battlefield under your control, where X is the result. 7/6 |
| Seed Guardian | 2GG | Creature — Elemental | Reach When Seed Guardian dies, create an X/X green Elemental creature token, where X is the number of creature cards in your graveyard. 3/4 |
| Frenzied Geistblaster | 1R | Creature — Human Wizard | Prowess When Frenzied Geistblaster enters the battlefield, if there are twenty or more instant and/or sorcery cards among cards in your graveyard, hand, and library, you may discard a card. If you do, seek an instant or sorcery card. 2/2 |
| Umbris, Fear Manifest | 3UB | Legendary Creature — Nightmare Horror | Umbris, Fear Manifest gets +1/+1 for each card your opponents own in exile. Whenever Umbris or another Nightmare or Horror enters the battlefield under your control, target opponent exiles cards from the top of their library until they exile a land card. 1/1 |
| Heronblade Elite | 2G | Creature — Human Warrior | Vigilance Whenever another Human enters the battlefield under your control, put a +1/+1 counter on Heronblade Elite. {T}: Add X mana of any one color, where X is Heronblade Elite's power. 1/1 |
| Dead Man's Chest | 1B | Enchantment — Aura | Enchant creature an opponent controls When enchanted creature dies, exile cards equal to its power from the top of its owner's library. You may cast spells from among those cards for as long as they remain exiled, and mana of any type can be spent to cast them. |
| A-You Come to a River | 2U | Sorcery | Choose one — • Fight the Current — The owner of target nonland permanent puts it on the top or bottom of their library. • Find a Crossing — Target creature gets +1/+0 until end of turn and can't be blocked this turn. |
| Rocco, Cabaretti Caterer | XRGW | Legendary Creature — Elf Druid | When Rocco, Cabaretti Caterer enters the battlefield, if you cast it, you may search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle. 3/1 |
| Endrek Sahr, Master Breeder | 4B | Legendary Creature — Human Wizard | Whenever you cast a creature spell, create X 1/1 black Thrull creature tokens, where X is that spell's mana value. When you control seven or more Thrulls, sacrifice Endrek Sahr, Master Breeder. 2/2 |