M:tG card similarity search
5UU · Creature — Whale
When Great Whale enters the battlefield, untap up to seven lands. 5/5
| Name | Mana | Type | Text | 
|---|---|---|---|
| Rising Waters | 3U | Enchantment | Lands don't untap during their controllers' untap steps. At the beginning of each player's upkeep, that player untaps a land they control. | 
| Professor of Symbology | 1W | Creature — Kor Cleric | When Professor of Symbology enters the battlefield, learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.) 2/1 | 
| Deadbeat Attendant | 1B | Creature — Vampire Employee | When Deadbeat Attendant enters the battlefield, open an Attraction. (Put the top card of your Attraction deck onto the battlefield.) 1/1 | 
| Silt Crawler | 2G | Creature — Beast | When Silt Crawler enters the battlefield, tap all lands you control. 3/3 | 
| Hokori, Dust Drinker | 2WW | Legendary Creature — Spirit | Lands don't untap during their controllers' untap steps. At the beginning of each player's upkeep, that player untaps a land they control. 2/2 | 
| Battered Golem | 3 | Artifact Creature — Golem | Battered Golem doesn't untap during your untap step. Whenever an artifact enters the battlefield, you may untap Battered Golem. 3/2 | 
| 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 | 
| Breaching Leviathan | 7UU | Creature — Leviathan | When Breaching Leviathan enters the battlefield, if you cast it from your hand, tap all nonblue creatures. Those creatures don't untap during their controllers' next untap steps. 9/9 | 
| Deserted Temple | Land | {T}: Add {C}. {1}, {T}: Untap target land. | |
| Queen's Agent | 5B | Creature — Vampire Scout | Lifelink When Queen's Agent enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.) 3/3 |