M:tG card similarity search
5UUU · Legendary Creature — Octopus
Whenever Lorthos, the Tidemaker attacks, you may pay {8}. If you do, tap up to eight target permanents. Those permanents don't untap during their controllers' next untap steps. 8/8
| Name | Mana | Type | Text | 
|---|---|---|---|
| Plant Tadpoles | XUU | Sorcery — Adventure | Tap X target creatures. They don't untap during their controllers' next untap steps. (Then exile this card. You may cast the creature later from exile.) | 
| Quiet Contemplation | 2U | Enchantment | Whenever you cast a noncreature spell, you may pay {1}. If you do, tap target creature an opponent controls and it doesn't untap during its controller's next untap step. | 
| Toils of Night and Day | 2U | Instant — Arcane | You may tap or untap target permanent, then you may tap or untap another target permanent. | 
| Hidden Strings | 1U | Sorcery | You may tap or untap target permanent, then you may tap or untap another target permanent. Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.) | 
| Chilling Grasp | 2U | Instant | Tap up to two target creatures. Those creatures don't untap during their controller's next untap step. Madness {3}{U} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.) | 
| Will of the Naga | 4UU | Instant | Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Tap up to two target creatures. Those creatures don't untap during their controller's next untap step. | 
| Decision Paralysis | 3U | Instant | Tap up to two target creatures. Those creatures don't untap during their controller's next untap step. | 
| Frost Breath | 2U | Instant | Tap up to two target creatures. Those creatures don't untap during their controller's next untap step. | 
| Done | 3U | Instant | Tap up to two target creatures. Those creatures don't untap during their controller's next untap step. | 
| Frostveil Ambush | 3UU | Instant | Tap up to two target creatures. Those creatures don't untap during their controller's next untap step. Cycling {1} ({1}, Discard this card: Draw a card.) |