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 |
|---|---|---|---|
| Plumes of Peace | 1WU | Enchantment — Aura | Enchant creature Enchanted creature doesn't untap during its controller's untap step. Forecast — {W}{U}, Reveal Plumes of Peace from your hand: Tap target creature. (Activate only during your upkeep and only once each turn.) |
| Deny the Divine | 2U | Instant | Counter target creature or enchantment spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. |
| Valakut Exploration | 2R | Enchantment | Landfall — Whenever a land enters the battlefield under your control, exile the top card of your library. You may play that card for as long as it remains exiled. At the beginning of your end step, if there are cards exiled with Valakut Exploration, put them into their owner's graveyard, then Valakut Exploration deals that much damage to each opponent. |
| Wickerwing Effigy | 3 | Artifact Creature — Scarecrow | Defender You may look at the top card of your library any time. You may cast creature spells from the top of your library. Whenever you cast a creature spell from your library, it becomes a black Bird in addition to its other colors and types, has flying, and has base power and toughness 1/1. 1/4 |
| Deny Existence | 2U | Instant | Counter target creature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. |
| Ellyn Harbreeze, Busybody | 3W | Legendary Creature — Human Peasant | {T}: Look at the top X cards of your library, where X is the number of tokens you created this turn. Put one of those cards into your hand and the rest on the bottom of your library in a random order. Choose a Background (You can have a Background as a second commander.) 2/4 |
| Redtooth Genealogist | 2G | Creature — Elf Advisor | When Redtooth Genealogist enters the battlefield, create a Royal Role token attached to another target creature you control. (If you control another Role on it, put that one into the graveyard. Enchanted creature gets +1/+1 and has ward {1}.) 2/3 |
| Fleet Swallower | 5UU | Creature — Fish | Whenever Fleet Swallower attacks, target player mills half their library, rounded up. 6/6 |
| Whirlpool Whelm | 1U | Instant | Clash with an opponent, then return target creature to its owner's hand. If you win, you may put that creature on top of its owner's library instead. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.) |
| Corridor Monitor | 1U | Artifact Creature — Construct | When Corridor Monitor enters the battlefield, untap target artifact or creature you control. 1/4 |