M:tG card similarity search
1U · Enchantment
Cumulative upkeep {1} (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.) When Ancestral Knowledge enters the battlefield, look at the top ten cards of your library, then exile any number of them and put the rest back on top of your library in any order. When Ancestral Knowledge leaves the battlefield, shuffle your library.
| Name | Mana | Type | Text |
|---|---|---|---|
| Dwarven Recruiter | 2R | Creature — Dwarf | When Dwarven Recruiter enters the battlefield, search your library for any number of Dwarf cards, reveal them, then shuffle and put those cards on top in any order. 2/2 |
| Widespread Panic | 2R | Enchantment | Whenever a spell or ability causes its controller to shuffle their library, that player puts a card from their hand on top of their library. |
| Lurking Informant | 1U/B | Creature — Human Rogue | ({U/B} can be paid with either {U} or {B}.) {2}, {T}: Look at the top card of target player's library. You may put that card into that player's graveyard. 1/2 |
| Abbot of Keral Keep | 1R | Creature — Human Monk | Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) When Abbot of Keral Keep enters the battlefield, exile the top card of your library. Until end of turn, you may play that card. 2/1 |
| Nulltread Gargantuan | 1GU | Creature — Beast | When Nulltread Gargantuan enters the battlefield, put a creature you control on top of its owner's library. 5/6 |
| Oath of Nissa | G | Legendary Enchantment | When Oath of Nissa enters the battlefield, look at the top three cards of your library. You may reveal a creature, land, or planeswalker card from among them and put it into your hand. Put the rest on the bottom of your library in any order. You may spend mana as though it were mana of any color to cast planeswalker spells. |
| Once Upon a Time | 1G | Instant | If this spell is the first spell you've cast this game, you may cast it without paying its mana cost. Look at the top five cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. |
| Explore the Vastlands | 3 | Sorcery | Each player looks at the top five cards of their library and may reveal a land card and/or an instant or sorcery card from among them. Each player puts the cards they revealed this way into their hand and the rest on the bottom of their library in a random order. Each player gains 3 life. |
| Field of Dreams | U | World Enchantment | Players play with the top card of their libraries revealed. |
| Chaos Mutation | 3UR | Instant | Exile any number of target creatures controlled by different players. For each creature exiled this way, its controller reveals cards from the top of their library until they reveal a creature card, puts that card onto the battlefield, then puts the rest on the bottom of their library in a random order. |