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 |
|---|---|---|---|
| Howling Giant | 5GG | Creature — Giant Druid | Reach (This creature can block creatures with flying.) When Howling Giant enters the battlefield, create two 2/2 green Wolf creature tokens. 5/5 |
| Cosmic Intervention | 3W | Instant | If a permanent you control would be put into a graveyard from the battlefield this turn, exile it instead. Return it to the battlefield under its owner's control at the beginning of the next end step. Foretell {1}{W} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.) |
| Glistener Seer | U | Creature — Phyrexian Advisor | Glistener Seer enters the battlefield with three oil counters on it. {T}, Remove an oil counter from Glistener Seer: Scry 1. (Look at the top card of your library. You may put that card on the bottom.) 0/3 |
| Rampaging Spiketail | 4BB | Creature — Dinosaur | When Rampaging Spiketail enters the battlefield, target creature you control gets +2/+0 and gains indestructible until end of turn. Swampcycling {2} ({2}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.) 5/6 |
| Castle Vantress | Land | Castle Vantress enters the battlefield tapped unless you control an Island. {T}: Add {U}. {2}{U}{U}, {T}: Scry 2. | |
| Energy Field | 1U | Enchantment | Prevent all damage that would be dealt to you by sources you don't control. When a card is put into your graveyard from anywhere, sacrifice Energy Field. |
| Colfenor, the Last Yew | 3WBG | Legendary Creature — Treefolk Shaman | Vigilance, reach Whenever Colfenor, the Last Yew or another creature you control dies, return up to one other target creature card with lesser toughness from your graveyard to your hand. 3/7 |
| Arborea Pegasus | 3W | Creature — Pegasus | Flying When Arborea Pegasus enters the battlefield, target creature gets +1/+1 and gains flying until end of turn. 2/3 |
| Cult Guildmage | BR | Creature — Human Shaman | {3}{B}, {T}: Target player discards a card. Activate only as a sorcery. {R}, {T}: Cult Guildmage deals 1 damage to target opponent or planeswalker. 2/2 |
| Alchemist's Vial | 2 | Artifact | When Alchemist's Vial enters the battlefield, draw a card. {1}, {T}, Sacrifice Alchemist's Vial: Target creature can't attack or block this turn. |