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 |
|---|---|---|---|
| Spara's Headquarters | Land — Forest Plains Island | ({T}: Add {G}, {W}, or {U}.) Spara's Headquarters enters the battlefield tapped. Cycling {3} ({3}, Discard this card: Draw a card.) | |
| Xander's Lounge | Land — Island Swamp Mountain | ({T}: Add {U}, {B}, or {R}.) Xander's Lounge enters the battlefield tapped. Cycling {3} ({3}, Discard this card: Draw a card.) | |
| Zagoth Triome | Land — Swamp Forest Island | ({T}: Add {B}, {G}, or {U}.) Zagoth Triome enters the battlefield tapped. Cycling {3} ({3}, Discard this card: Draw a card.) | |
| Ziatora's Proving Ground | Land — Swamp Mountain Forest | ({T}: Add {B}, {R}, or {G}.) Ziatora's Proving Ground enters the battlefield tapped. Cycling {3} ({3}, Discard this card: Draw a card.) | |
| Crater Hellion | 4RR | Creature — Hellion Beast | Echo {4}{R}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When Crater Hellion enters the battlefield, it deals 4 damage to each other creature. 6/6 |
| Commander Greven il-Vec | 3BBB | Legendary Creature — Phyrexian Human Warrior | Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) When Commander Greven il-Vec enters the battlefield, sacrifice a creature. 7/5 |
| Pale Rider of Trostad | 1B | Creature — Spirit | Skulk (This creature can't be blocked by creatures with greater power.) When Pale Rider of Trostad enters the battlefield, discard a card. 3/3 |
| Invincible Hymn | 6WW | Sorcery | Count the number of cards in your library. Your life total becomes that number. |
| Lagoon Breach | 1U | Instant — Adventure | The owner of target attacking creature you don't control puts it on the top or bottom of their library. |
| Spare Supplies | 2 | Artifact | Spare Supplies enters the battlefield tapped. When Spare Supplies enters the battlefield, draw a card. {2}, {T}, Sacrifice Spare Supplies: Draw a card. |