M:tG card similarity search
3UB · Sorcery
Target opponent reveals their hand. You choose a nonland card from that player's graveyard or hand and exile it. You may cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.
| Name | Mana | Type | Text |
|---|---|---|---|
| Knowledge Exploitation | 5UU | Tribal Sorcery — Rogue | Prowl {3}{U} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.) Search target opponent's library for an instant or sorcery card. You may cast that card without paying its mana cost. Then that player shuffles. |
| Govern the Guildless | 5U | Sorcery | Gain control of target monocolored creature. Forecast — {1}{U}, Reveal Govern the Guildless from your hand: Target creature becomes the color or colors of your choice until end of turn. (Activate only during your upkeep and only once each turn.) |
| Prism Ring | 1 | Artifact | As Prism Ring enters the battlefield, choose a color. Whenever you cast a spell of the chosen color, you gain 1 life. |
| Collected Conjuring | 2UR | Sorcery | Exile the top six cards of your library. You may cast up to two sorcery spells with mana value 3 or less from among them without paying their mana costs. Put the exiled cards not cast this way on the bottom of your library in a random order. |
| Treasure Keeper | 4 | Artifact Creature — Construct | When Treasure Keeper dies, reveal cards from the top of your library until you reveal a nonland card with mana value 3 or less. You may cast that card without paying its mana cost. Put all revealed cards not cast this way on the bottom of your library in a random order. 3/3 |
| Diamond Mare | 2 | Artifact Creature — Horse | As Diamond Mare enters the battlefield, choose a color. Whenever you cast a spell of the chosen color, you gain 1 life. 1/3 |
| Mirrored Lotus | 0 | Artifact | Reflect {0} (As this enters the battlefield, each opponent may pay {0}. When they do, they create a token copy of this except it lacks this ability.) {T}, Exile Mirrored Lotus: Add three mana of any one color. |
| Glasses of Urza | 1 | Artifact | {T}: Look at target player's hand. |
| Phyrexian Furnace | 1 | Artifact | {T}: Exile the bottom card of target player's graveyard. {1}, Sacrifice Phyrexian Furnace: Exile target card from a graveyard. Draw a card. |
| Common Courtesy | 2UU | Enchantment | Whenever a player casts a spell without asking your permission while casting it, counter that spell. When a player asks you permission to cast a spell and you refuse, counter that spell and sacrifice Common Courtesy. |