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 |
|---|---|---|---|
| Erratic Mutation | 2U | Instant | Choose target creature. Reveal cards from the top of your library until you reveal a nonland card. That creature gets +X/-X until end of turn, where X is that card's mana value. Put all cards revealed this way on the bottom of your library in any order. |
| Isolated Watchtower | Land | {T}: Add {C}. {2}, {T}: Scry 1, then you may reveal the top card of your library. If a basic land card is revealed this way, put it onto the battlefield tapped. Activate only if an opponent controls at least two more lands than you. | |
| Octavia, Living Thesis | 8UU | Legendary Creature — Elemental Octopus | This spell costs {8} less to cast if you have eight or more instant and/or sorcery cards in your graveyard. Ward {8} Magecraft — Whenever you cast or copy an instant or sorcery spell, target creature has base power and toughness 8/8 until end of turn. 8/8 |
| Pink Horror | 3UR | Creature — Demon Horror | Coruscating Flames — Whenever you cast an instant or sorcery spell, Pink Horror deals 2 damage to any target. Split — When Pink Horror dies, create two 2/2 blue and red Demon Horror creature tokens named Blue Horror with "Whenever you cast an instant or sorcery spell, this creature deals 1 damage to any target." 4/4 |
| Stormwing Entity | 3UU | Creature — Elemental | This spell costs {2}{U} less to cast if you've cast an instant or sorcery spell this turn. Flying Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) When Stormwing Entity enters the battlefield, scry 2. 3/3 |
| Lost in the Woods | 3GG | Enchantment | Whenever a creature attacks you or a planeswalker you control, reveal the top card of your library. If it's a Forest card, remove that creature from combat. Then put the revealed card on the bottom of your library. |
| Past in Flames | 3R | Sorcery | Each instant and sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. Flashback {4}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.) |
| Sapphire Collector | 2R | Creature — Human Mercenary | Prowess When you cast your second noncreature spell in a turn, conjure a card named Mox Sapphire into your hand. This ability triggers only once. {2}{U}: Target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. 3/3 |
| Blistercoil Weird | U/R | Creature — Weird | Whenever you cast an instant or sorcery spell, Blistercoil Weird gets +1/+1 until end of turn. Untap it. 1/1 |
| Aspiring Champion | 3R | Creature — Astartes Warrior | Menace Ruinous Ascension — When Aspiring Champion deals combat damage to a player, sacrifice it. If you do, reveal cards from the top of your library until you reveal a creature card. Put that card onto the battlefield, then shuffle the rest into your library. If that creature is a Demon, it deals damage equal to its power to each opponent. 3/3 |