M:tG card similarity search
7U · Creature — Serpent
Slipstream Serpent can't attack unless defending player controls an Island. When you control no Islands, sacrifice Slipstream Serpent. Morph {5}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) 6/6
| Name | Mana | Type | Text |
|---|---|---|---|
| Rooftop Assassin | 3B | Creature — Vampire Assassin | Flash Flying, lifelink When Rooftop Assassin enters the battlefield, destroy target creature an opponent controls that was dealt damage this turn. 2/2 |
| Barbed Foliage | 2GG | Enchantment | Whenever a creature attacks you, it loses flanking until end of turn. Whenever a creature without flying attacks you, Barbed Foliage deals 1 damage to it. |
| Rivalry | 2R | Enchantment | At the beginning of each player's upkeep, if that player controls more lands than each other player, Rivalry deals 2 damage to them. |
| Arni Metalbrow | 2R | Legendary Creature — Human Berserker | Whenever a creature you control attacks or a creature enters the battlefield under your control attacking, you may pay {1}{R}. If you do, you may put a creature card with mana value less than that creature's mana value from your hand onto the battlefield tapped and attacking. 3/3 |
| Keeper of Keys | 3UU | Creature — Human Rogue Mutant | When Keeper of Keys enters the battlefield, you become the monarch. At the beginning of your upkeep, if you're the monarch, creatures you control can't be blocked this turn. 4/4 |
| Priority Avenger | 3W | Creature — Bird Wizard | Flying Players can't cast instant spells unless a spell or ability is on the stack. 3/4 |
| Crystal Shard | 3 | Artifact | {3}, {T} or {U}, {T}: Return target creature to its owner's hand unless its controller pays {1}. |
| Erratic Portal | 4 | Artifact | {1}, {T}: Return target creature to its owner's hand unless its controller pays {1}. |
| Aether Figment | 1U | Creature — Illusion | Kicker {3} (You may pay an additional {3} as you cast this spell.) Aether Figment can't be blocked. If Aether Figment was kicked, it enters the battlefield with two +1/+1 counters on it. 1/1 |
| Militia's Pride | 1W | Tribal Enchantment — Kithkin | Whenever a nontoken creature you control attacks, you may pay {W}. If you do, create a 1/1 white Kithkin Soldier creature token that's tapped and attacking. |