M:tG card similarity search
1G · Enchantment
Whenever a creature enters the battlefield under your control, you may look at the top X cards of your library, where X is that creature's power. If you do, put one of those cards on top of your library and the rest on the bottom of your library in any order.
| Name | Mana | Type | Text |
|---|---|---|---|
| Natural Balance | 2GG | Sorcery | Each player who controls six or more lands chooses five lands they control and sacrifices the rest. Each player who controls four or fewer lands may search their library for up to X basic land cards and put them onto the battlefield, where X is five minus the number of lands they control. Then each player who searched their library this way shuffles. |
| Spectral Deluge | 4UU | Sorcery | Return each creature your opponents control with toughness X or less to its owner's hand, where X is the number of Islands you control. Foretell {1}{U}{U} (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.) |
| Vigil for the Lost | 3W | Enchantment | Whenever a creature you control dies, you may pay {X}. If you do, you gain X life. |
| Mercenary Informer | 2W | Creature — Human Rebel Mercenary | Mercenary Informer can't be the target of black spells or abilities from black sources. {2}{W}: Put target nontoken Mercenary on the bottom of its owner's library. 2/1 |
| Carrion Grub | 3B | Creature — Insect | Carrion Grub gets +X/+0, where X is the greatest power among creature cards in your graveyard. When Carrion Grub enters the battlefield, mill four cards. (Put the top four cards of your library into your graveyard.) 0/5 |
| Bury in Books | 4U | Instant | This spell costs {2} less to cast if it targets an attacking creature. Put target creature into its owner's library second from the top. |
| Invasion of Ikoria | XGG | 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 Ikoria enters the battlefield, search your library and/or graveyard for a non-Human creature card with mana value X or less and put it onto the battlefield. If you search your library this way, shuffle. |
| Gnostro, Voice of the Crags | 1URW | Legendary Creature — Chimera | {T}: Choose one. X is the number of spells you've cast this turn. • Scry X. • Gnostro, Voice of the Crags deals X damage to target creature. • You gain X life. 3/3 |
| Barrin's Codex | 4 | Artifact | At the beginning of your upkeep, you may put a page counter on Barrin's Codex. {4}, {T}, Sacrifice Barrin's Codex: Draw X cards, where X is the number of page counters on Barrin's Codex. |
| Finale of Devastation | XGG | Sorcery | Search your library and/or graveyard for a creature card with mana value X or less and put it onto the battlefield. If you search your library this way, shuffle. If X is 10 or more, creatures you control get +X/+X and gain haste until end of turn. |