M:tG card similarity search
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.
| Name | Mana | Type | Text |
|---|---|---|---|
| Counterbalance | UU | Enchantment | Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, counter that spell if it has the same mana value as the revealed card. |
| Sanity Grinding | UUU | Sorcery | Chroma — Reveal the top ten cards of your library. For each blue mana symbol in the mana costs of the revealed cards, target opponent mills a card. Then put the cards you revealed this way on the bottom of your library in any order. |
| Merfolk Observer | 1U | Creature — Merfolk Rogue | When Merfolk Observer enters the battlefield, look at the top card of target player's library. 2/1 |
| Explorer's Scope | 1 | Artifact — Equipment | Whenever equipped creature attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.) |
| Diffusion Sliver | 1U | Creature — Sliver | Whenever a Sliver creature you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {2}. 1/1 |
| Fblthp, the Lost | 1U | Legendary Creature — Homunculus | When Fblthp, the Lost enters the battlefield, draw a card. If it entered from your library or was cast from your library, draw two cards instead. When Fblthp becomes the target of a spell, shuffle Fblthp into its owner's library. 1/1 |
| Goblin Ringleader | 3R | Creature — Goblin | Haste (This creature can attack and {T} as soon as it comes under your control.) When Goblin Ringleader enters the battlefield, reveal the top four cards of your library. Put all Goblin cards revealed this way into your hand and the rest on the bottom of your library in any order. 2/2 |
| Natural Selection | G | Instant | Look at the top three cards of target player's library, then put them back in any order. You may have that player shuffle. |
| Yuriko, the Tiger's Shadow | 1UB | Legendary Creature — Human Ninja | Commander ninjutsu {U}{B} ({U}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand or the command zone tapped and attacking.) Whenever a Ninja you control deals combat damage to a player, reveal the top card of your library and put that card into your hand. Each opponent loses life equal to that card's mana value. 1/3 |
| Audacious Swap | 3R | Instant | Casualty 2 (As you cast this spell, you may sacrifice a creature with power 2 or greater. When you do, copy this spell and you may choose a new target for the copy.) The owner of target nonenchantment permanent shuffles it into their library, then exiles the top card of their library. If it's a land card, they put it onto the battlefield. Otherwise, they may cast it without paying its mana cost. |