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 |
|---|---|---|---|
| Lurking Predators | 4GG | Enchantment | Whenever an opponent casts a spell, reveal the top card of your library. If it's a creature card, put it onto the battlefield. Otherwise, you may put that card on the bottom of your library. |
| Rashmi, Eternities Crafter | 2GU | Legendary Creature — Elf Druid | Whenever you cast your first spell each turn, reveal the top card of your library. You may cast it without paying its mana cost if it's a spell with lesser mana value. If you don't cast it, put it into your hand. 2/3 |
| Moonhold | 2R/W | Instant | Target player can't play lands this turn if {R} was spent to cast this spell and can't cast creature spells this turn if {W} was spent to cast this spell. (Do both if {R}{W} was spent.) |
| Whisperwood Elemental | 3GG | Creature — Elemental | At the beginning of your end step, manifest the top card of your library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.) Sacrifice Whisperwood Elemental: Until end of turn, face-up nontoken creatures you control gain "When this creature dies, manifest the top card of your library." 4/4 |
| Void Mirror | 2 | Artifact | Whenever a player casts a spell, if no colored mana was spent to cast it, counter that spell. |
| Courser of Kruphix | 1GG | Enchantment Creature — Centaur | Play with the top card of your library revealed. You may play lands from the top of your library. Landfall — Whenever a land enters the battlefield under your control, you gain 1 life. 2/4 |
| Synth Eradicator | 2R | Artifact Creature — Synth Soldier | Haste Whenever Synth Eradicator attacks, exile the top card of your library. You may get {E}{E} (two energy counters). If you don't, you may play that card this turn. {T}, Pay {E}{E}{E}: Synth Eradicator deals 3 damage to any target. 3/3 |
| Frost Augur | U | Snow Creature — Human Wizard | {S}, {T}: Look at the top card of your library. If it's a snow card, you may reveal it and put it into your hand. ({S} can be paid with one mana from a snow source.) 1/2 |
| Grotag Night-Runner | 2R | Creature — Goblin Rogue | Whenever Grotag Night-Runner deals combat damage to a player, exile the top card of your library. You may play that card this turn. 2/3 |
| A-Nashi, Moon Sage's Scion | 1BB | Legendary Creature — Rat Ninja | Ninjutsu {2}{B} ({2}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever Nashi, Moon Sage's Scion deals combat damage to a player, exile the top card of each player's library. Until end of turn, you may play one of those cards. If you cast a spell this way, pay life equal to its mana value rather than paying its mana cost. 3/2 |