M:tG card similarity search
2U · Creature — Merfolk Rogue
Domain — When Voda Sea Scavenger enters the battlefield, look at the top X cards of your library, where X is the number of basic land types among lands you control. You may put one of those cards on top of your library. Put the rest on the bottom of your library in a random order. 3/2
| Name | Mana | Type | Text | 
|---|---|---|---|
| Warrant | W/UW/U | Instant | Put target attacking or blocking creature on top of its owner's library. | 
| Whisk Away | 2U | Instant | Put target attacking or blocking creature on top of its owner's library. | 
| Crystal Spray | 2U | Instant | Change the text of target spell or permanent by replacing all instances of one color word with another or one basic land type with another until end of turn. Draw a card. | 
| Roiling Regrowth | 2G | Instant | Sacrifice a land. Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle. | 
| Calamitous Cave-In | 3R | Sorcery | Calamitous Cave-In deals X damage to each creature and each planeswalker, where X is the number of Caves you control plus the number of Cave cards in your graveyard. | 
| Yavimaya Granger | 2G | Creature — Elf | Echo {2}{G} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When Yavimaya Granger enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. 2/2 | 
| Ashaya, Soul of the Wild | 3GG | Legendary Creature — Elemental | Ashaya, Soul of the Wild's power and toughness are each equal to the number of lands you control. Nontoken creatures you control are Forest lands in addition to their other types. (They're still affected by summoning sickness.) */* | 
| Nephalia Academy | Land | If a spell or ability an opponent controls causes you to discard a card, you may reveal that card and put it on top of your library instead of putting it anywhere else. {T}: Add {C}. | |
| Aethertow | 3W/U | Instant | Put target attacking or blocking creature on top of its owner's library. Conspire (As you cast this spell, you may tap two untapped creatures you control that share a color with it. When you do, copy it and you may choose a new target for the copy.) | 
| Bloodwater Entity | 1UR | Creature — Elemental | Flying Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) When Bloodwater Entity enters the battlefield, you may put target instant or sorcery card from your graveyard on top of your library. 2/2 |