M:tG card similarity search
3UU · Battle — Siege
(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) When Invasion of Arcavios enters the battlefield, search your library, graveyard, and/or outside the game for an instant or sorcery card you own, reveal it, and put it into your hand. If you search your library this way, shuffle.
| Name | Mana | Type | Text |
|---|---|---|---|
| Shattered Ego | U | Enchantment — Aura | Enchant creature Enchanted creature gets -3/-0. {3}{U}{U}: Put enchanted creature into its owner's library third from the top. |
| Prison Barricade | 1W | Creature — Wall | Defender (This creature can't attack.) Kicker {1}{W} (You may pay an additional {1}{W} as you cast this spell.) If Prison Barricade was kicked, it enters the battlefield with a +1/+1 counter on it and with "Prison Barricade can attack as though it didn't have defender." 1/3 |
| Pitchstone Wall | 2R | Creature — Wall | Defender (This creature can't attack.) Whenever you discard a card, you may sacrifice Pitchstone Wall. If you do, return the discarded card from your graveyard to your hand. 2/5 |
| 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 |
| Lae'zel, Illithid Thrall | 3WU | Legendary Creature — Gith Horror Warrior | Double strike When this creature enters the battlefield or specializes, conjure a duplicate of a random creature card from an opponent's library into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell." 3/6 |
| Skystreamer | 4W | Creature — Griffin | Assist (Another player can pay up to {4} of this spell's cost.) Flying When Skystreamer enters the battlefield, target player gains 4 life. 3/2 |
| Black Dragon Gate | Land — Gate | Black Dragon Gate enters the battlefield tapped. As Black Dragon Gate enters the battlefield, choose a color other than black. {T}: Add {B} or one mana of the chosen color. | |
| Thriving Moor | Land | Thriving Moor enters the battlefield tapped. As Thriving Moor enters the battlefield, choose a color other than black. {T}: Add {B} or one mana of the chosen color. | |
| Herald of the Fair | 2W | Creature — Human | When Herald of the Fair enters the battlefield, target creature you control gets +1/+1 until end of turn. 3/2 |
| Acidic Slime | 3GG | Creature — Ooze | Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) When Acidic Slime enters the battlefield, destroy target artifact, enchantment, or land. 2/2 |