M:tG card similarity search
4U · Creature — Kraken
When Biblioplex Kraken enters the battlefield, scry 3. (Look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.) Whenever Biblioplex Kraken attacks, you may return another creature you control to its owner's hand. If you do, Biblioplex Kraken can't be blocked this turn. 4/5
| Name | Mana | Type | Text | 
|---|---|---|---|
| Avalanche Tusker | 2GUR | Creature — Elephant Warrior | Whenever Avalanche Tusker attacks, target creature defending player controls blocks it this combat if able. 6/4 | 
| Glory Bearers | 3W | Enchantment Creature — Human Cleric | Whenever another creature you control attacks, it gets +0/+1 until end of turn. 3/4 | 
| Ensnare | 3U | Instant | You may return two Islands you control to their owner's hand rather than pay this spell's mana cost. Tap all creatures. | 
| Ashcoat of the Shadow Swarm | 3B | Legendary Creature — Rat Warlock | Whenever Ashcoat of the Shadow Swarm attacks or blocks, other Rats you control get +X/+X until end of turn, where X is the number of Rats you control. At the beginning of your end step, you may mill four cards. If you do, return up to two Rat creature cards from your graveyard to your hand. (To mill a card, put the top card of your library into your graveyard.) 3/4 | 
| Command of Unsummoning | 2U | Instant | Cast this spell only during the declare attackers step and only if you've been attacked this step. Return one or two target attacking creatures to their owner's hand. | 
| Tolarian Sentinel | 3U | Creature — Human Spellshaper | Flying {U}, {T}, Discard a card: Return target permanent you control to its owner's hand. 1/3 | 
| Vengeful Ancestor | 2RR | Creature — Spirit Dragon | Flying Whenever Vengeful Ancestor enters the battlefield or attacks, goad target creature. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.) Whenever a goaded creature attacks, it deals 1 damage to its controller. 3/4 | 
| Revel Ruiner | 3B | Creature — Cephalid Rogue | Menace (This creature can't be blocked except by two or more creatures.) When Revel Ruiner enters the battlefield, it connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.) 3/1 | 
| Reality Strobe | 4UU | Sorcery | Return target permanent to its owner's hand. Exile Reality Strobe with three time counters on it. Suspend 3—{2}{U} (Rather than cast this card from your hand, you may pay {2}{U} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.) | 
| Sage of the Falls | 4U | Creature — Merfolk Wizard | Whenever Sage of the Falls or another non-Human creature enters the battlefield under your control, you may draw a card. If you do, discard a card. 2/5 |