M:tG card similarity search
2U · Enchantment — Aura
Enchant creature At the beginning of your end step, clash with an opponent. If you win, gain control of enchanted creature. Otherwise, that player gains control of enchanted creature. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)
| Name | Mana | Type | Text | 
|---|---|---|---|
| Starfield of Nyx | 4W | Enchantment | At the beginning of your upkeep, you may return target enchantment card from your graveyard to the battlefield. As long as you control five or more enchantments, each other non-Aura enchantment you control is a creature in addition to its other types and has base power and base toughness each equal to its mana value. | 
| Nim Abomination | 2B | Creature — Zombie | At the beginning of your end step, if Nim Abomination is untapped, you lose 3 life. 3/4 | 
| Kumano's Blessing | 2R | Enchantment — Aura | Flash Enchant creature If a creature dealt damage by enchanted creature this turn would die, exile it instead. | 
| Krovikan Whispers | 3U | Enchantment — Aura | Enchant creature Cumulative upkeep {U} or {B} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) You control enchanted creature. When Krovikan Whispers is put into a graveyard from the battlefield, you lose 2 life for each age counter on it. | 
| Owlbear Shepherd | 2G | Creature — Goblin Druid | At the beginning of your end step, if creatures you control have total power 8 or greater, draw a card. 1/4 | 
| Lightning Shrieker | 4R | Creature — Dragon | Flying, trample, haste At the beginning of the end step, Lightning Shrieker's owner shuffles it into their library. 5/5 | 
| Phyrexian Boon | 2B | Enchantment — Aura | Enchant creature Enchanted creature gets +2/+1 as long as it's black. Otherwise, it gets -1/-2. | 
| Restless Bloodseeker | 1B | Creature — Vampire | At the beginning of your end step, if you gained life this turn, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.") Sacrifice two Blood tokens: Transform Restless Bloodseeker. Activate only as a sorcery. 1/3 | 
| Throne Warden | 1W | Creature — Human Soldier | At the beginning of your end step, if you're the monarch, put a +1/+1 counter on Throne Warden. 2/2 | 
| Armor of Thorns | 1G | Enchantment — Aura | You may cast Armor of Thorns as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step. Enchant nonblack creature Enchanted creature gets +2/+2. |