M:tG card similarity search
4R · Enchantment
At the beginning of your upkeep, exile the top card of each opponent's library. Until end of turn, you may cast spells from among those exiled cards, and you may spend mana as though it were mana of any color to cast those spells.
| Name | Mana | Type | Text |
|---|---|---|---|
| Unnerving Assault | 2U/R | Instant | Creatures your opponents control get -1/-0 until end of turn if {U} was spent to cast this spell, and creatures you control get +1/+0 until end of turn if {R} was spent to cast this spell. (Do both if {U}{R} was spent.) |
| Sunken Citadel | Land — Cave | Sunken Citadel enters the battlefield tapped. As it enters, choose a color. {T}: Add one mana of the chosen color. {T}: Add two mana of the chosen color. Spend this mana only to activate abilities of land sources. | |
| Automated Artificer | 2 | Artifact Creature — Artificer | {T}: Add {C}. Spend this mana only to activate an ability or cast an artifact spell. 1/3 |
| Johann, Apprentice Sorcerer | 2UR | Legendary Creature — Human Wizard | You may look at the top card of your library any time. Once each turn, you may cast an instant or sorcery spell from the top of your library. (You still pay its costs. Timing rules still apply.) 2/5 |
| Master of Dark Rites | B | Creature — Vampire Cleric | {T}, Sacrifice another creature: Add {B}{B}{B}. Spend this mana only to cast Vampire, Cleric, and/or Demon spells. 1/1 |
| Massacre | 2BB | Sorcery | If an opponent controls a Plains and you control a Swamp, you may cast this spell without paying its mana cost. All creatures get -2/-2 until end of turn. |
| Seedtime | 1G | Instant | Cast this spell only during your turn. Take an extra turn after this one if an opponent cast a blue spell this turn. |
| Reparations | 1WU | Enchantment | Whenever an opponent casts a spell that targets you or a creature you control, you may draw a card. |
| Expert-Level Safe | 2 | Artifact | When Expert-Level Safe enters the battlefield, exile the top two cards of your library face down. {1}, {T}: You and target opponent each secretly choose 1, 2, or 3. Then those choices are revealed. If they match, sacrifice Expert-Level Safe and put all cards exiled with it into their owners' hands. Otherwise, exile the top card of your library face down. |
| Yawgmoth's Testament | 2B | Sorcery | Until end of turn, you may play face-up cards you own from exile. If a card would be put into your graveyard or exile from anywhere this turn, put it on the bottom of your library instead. |