M:tG card similarity search
4UB · Legendary Creature — Beholder
At the beginning of your upkeep, choose target opponent. Until end of turn, that player can't cast spells, you may look at the top card of their library any time, you may play the top card of their library, and you may spend mana as though it were mana of any color to cast spells this way. 5/6
| Name | Mana | Type | Text |
|---|---|---|---|
| Timesifter | 5 | Artifact | At the beginning of each upkeep, each player exiles the top card of their library. The player who exiled the card with the highest mana value takes an extra turn after this one. If two or more players' cards are tied for highest, the tied players repeat this process until the tie is broken. |
| Phyrexian Librarian | 3B | Creature — Phyrexian Horror | Flying, trample At the beginning of your upkeep, exile the top card of your library and balance it on your body. When a balanced card falls or touches another balanced card, sacrifice Phyrexian Librarian. 3/3 |
| Act on Impulse | 2R | Sorcery | Exile the top three cards of your library. Until end of turn, you may play cards exiled this way. (If you cast a spell this way, you still pay its costs. You can play a land this way only if you have an available land play remaining.) |
| Soulfire Eruption | 6RRR | Sorcery | Choose any number of target creatures, planeswalkers, and/or players. For each of them, exile the top card of your library, then Soulfire Eruption deals damage equal to that card's mana value to that permanent or player. You may play the exiled cards until the end of your next turn. |
| Brutal Deceiver | 2R | Creature — Spirit | {1}: Look at the top card of your library. {2}: Reveal the top card of your library. If it's a land card, Brutal Deceiver gets +1/+0 and gains first strike until end of turn. Activate only once each turn. 2/2 |
| 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. |
| Voltaic Visionary | 1R | Creature — Human Wizard | {T}: Voltaic Visionary deals 2 damage to you. Exile the top card of your library. You may play that card this turn. Activate only as a sorcery. When you play a card exiled with Voltaic Visionary, transform Voltaic Visionary. 3/1 |
| Richard Garfield, Ph.D. | 3UU | Legendary Creature — Human Designer | You may play cards as though they were other cards of your choice with the same mana cost. You can't choose the same card twice. (Mana cost includes color.) 2/2 |
| Eruth, Tormented Prophet | 1UR | Legendary Creature — Human Wizard | If you would draw a card, exile the top two cards of your library instead. You may play those cards this turn. 2/4 |
| Protection Racket | 2B | Enchantment | At the beginning of your upkeep, repeat the following process for each opponent in turn order. Reveal the top card of your library. That player may pay life equal to that card's mana value. If they do, exile that card. Otherwise, put it into your hand. |