M:tG card similarity search
2BR · Enchantment
At the beginning of your upkeep, choose an opponent at random. Exile the top card of that player's library. Until end of turn, you may play that card and you may spend mana as though it were mana of any color to cast it. When you cast a spell this way, its owner loses life equal to its mana value.
| Name | Mana | Type | Text |
|---|---|---|---|
| Oracle's Vault | 4 | Artifact | {2}, {T}: Exile the top card of your library. Until end of turn, you may play that card. Put a brick counter on Oracle's Vault. {T}: Exile the top card of your library. Until end of turn, you may play that card without paying its mana cost. Activate only if there are three or more brick counters on Oracle's Vault. |
| Omnath, Locus of All | WUB/PRG | Legendary Creature — Phyrexian Elemental | If you would lose unspent mana, that mana becomes black instead. At the beginning of your precombat main phase, look at the top card of your library. You may reveal that card if it has three or more colored mana symbols in its mana cost. If you do, add three mana in any combination of its colors and put it into your hand. If you don't reveal it, put it into your hand. 4/4 |
| Ziatora's Envoy | 1BRG | Creature — Viashino Warrior | Trample Whenever Ziatora's Envoy deals combat damage to a player, look at the top card of your library. You may play a land from the top of your library or cast a spell with mana value less than or equal to the damage dealt from the top of your library without paying its mana cost. If you don't, put that card into your hand. Blitz {2}{B}{R}{G} 5/4 |
| Ancient Ziggurat | Land | {T}: Add one mana of any color. Spend this mana only to cast a creature spell. | |
| Windriddle Palaces | Plane — Belenon | Players play with the top card of their libraries revealed. You may play lands and cast spells from the top of any player's library. Whenever chaos ensues, each player mills a card. | |
| Sin Prodder | 2R | Creature — Devil | Menace At the beginning of your upkeep, reveal the top card of your library. Any opponent may have you put that card into your graveyard. If a player does, Sin Prodder deals damage to that player equal to that card's mana value. Otherwise, put that card into your hand. 3/2 |
| Visions of Phyrexia | 2RR | Enchantment | At the beginning of your upkeep, exile the top card of your library. You may play that card this turn. At the beginning of your end step, if you didn't play a card from exile this turn, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.") |
| Counterbalance | UU | Enchantment | Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, counter that spell if it has the same mana value as the revealed card. |
| Rakdos, the Muscle | 2BBR | Legendary Creature — Demon Mercenary | Flying, trample Whenever you sacrifice another creature, exile cards equal to its mana value from the top of target player's library. Until your next end step, you may play those cards, and mana of any type can be spent to cast those spells. Sacrifice another creature: Rakdos, the Muscle gains indestructible until end of turn. Tap it. Activate only once each turn. 6/5 |
| Watermarket | Land | {T}: Add {C}{C}. Spend this mana only to cast spells with watermarks. |