M:tG card similarity search
2UU · Instant — Trap
If an opponent had a green creature enter the battlefield under their control this turn, you may pay {U} rather than pay this spell's mana cost. Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.
| Name | Mana | Type | Text |
|---|---|---|---|
| Allosaurus Rider | 5GG | Creature — Elf Warrior | You may exile two green cards from your hand rather than pay this spell's mana cost. Allosaurus Rider's power and toughness are each equal to 1 plus the number of lands you control. 1+*/1+* |
| Tangle Kelp | U | Enchantment — Aura | Enchant creature When Tangle Kelp enters the battlefield, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step if it attacked during its controller's last turn. |
| Refraction Trap | 3W | Instant — Trap | If an opponent cast a red instant or sorcery spell this turn, you may pay {W} rather than pay this spell's mana cost. Prevent the next 3 damage that a source of your choice would deal to you and/or permanents you control this turn. If damage is prevented this way, Refraction Trap deals that much damage to any target. |
| Rhystic Deluge | 2U | Enchantment | {U}: Tap target creature unless its controller pays {1}. |
| Castaway's Despair | 3U | Enchantment — Aura | Enchant creature When Castaway's Despair enters the battlefield, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step. |
| Charmed Sleep | 1UU | Enchantment — Aura | Enchant creature When Charmed Sleep enters the battlefield, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step. |
| Claustrophobia | 1UU | Enchantment — Aura | Enchant creature When Claustrophobia enters the battlefield, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step. |
| Roots | 3G | Enchantment — Aura | Enchant creature without flying When Roots enters the battlefield, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step. |
| Runner's Bane | 1U | Enchantment — Aura | Enchant creature with power 3 or less When Runner's Bane enters the battlefield, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step. |
| Sleep Paralysis | 3U | Enchantment — Aura | Enchant creature When Sleep Paralysis enters the battlefield, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step. |