M:tG card similarity search
2WW · Enchantment
At the beginning of your upkeep, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Arena | Land | {3}, {T}: Tap target creature you control and target creature of an opponent's choice they control. Those creatures fight each other. (Each deals damage equal to its power to the other.) | |
| Fledgling Djinn | 1B | Creature — Djinn | Flying At the beginning of your upkeep, Fledgling Djinn deals 1 damage to you. 2/2 |
| Ancient Animus | 1G | Instant | Put a +1/+1 counter on target creature you control if it's legendary. Then it fights target creature an opponent controls. (Each deals damage equal to its power to the other.) |
| Mystic Barrier | 4W | Enchantment | When Mystic Barrier enters the battlefield or at the beginning of your upkeep, choose left or right. Each player may attack only the nearest opponent in the last chosen direction and planeswalkers controlled by that opponent. |
| Serendib Efreet | 2U | Creature — Efreet | Flying At the beginning of your upkeep, Serendib Efreet deals 1 damage to you. 3/4 |
| No Witnesses | 2WW | Sorcery | Each player who controls the most creatures investigates. Then destroy all creatures. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") |
| Junún Efreet | 1BB | Creature — Efreet | Flying At the beginning of your upkeep, sacrifice Junún Efreet unless you pay {B}{B}. 3/3 |
| Pendrell Mists | 3U | Enchantment | All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay {1}." |
| Drifting Djinn | 4UU | Creature — Djinn | Flying At the beginning of your upkeep, sacrifice Drifting Djinn unless you pay {1}{U}. Cycling {2} ({2}, Discard this card: Draw a card.) 5/5 |
| Molting Harpy | B | Creature — Harpy Mercenary | Flying At the beginning of your upkeep, sacrifice Molting Harpy unless you pay {2}. 2/1 |