M:tG card similarity search
4GG · Enchantment
If you tap a permanent for mana, it produces twice as much of that mana instead.
| Name | Mana | Type | Text |
|---|---|---|---|
| Herald's Reveille | U | Sorcery | Draw a card. If a permanent you controlled explored this turn, seek a Merfolk card instead. |
| The Ruinous Powers | 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. |
| Phial of Galadriel | 3 | Legendary Artifact | If you would draw a card while you have no cards in hand, draw two cards instead. If you would gain life while you have 5 or less life, you gain twice that much life instead. {T}: Add one mana of any color. |
| Adarkar Unicorn | 1WW | Creature — Unicorn | {T}: Add {U} or {C}{U}. Spend this mana only to pay cumulative upkeep costs. 2/2 |
| Biophagus | 1G | Creature — Human Tyranid Wizard | Genomic Enhancement — {T}: Add one mana of any color. If this mana is spent to cast a creature spell, that creature enters the battlefield with an additional +1/+1 counter on it. 1/3 |
| Temporary Lockdown | 1WW | Enchantment | When Temporary Lockdown enters the battlefield, exile each nonland permanent with mana value 2 or less until Temporary Lockdown leaves the battlefield. |
| Gridlock | XU | Instant | Tap X target nonland permanents. |
| Hidetsugu Consumes All | 1BR | Enchantment — Saga | (As this Saga enters and after your draw step, add a lore counter.) I — Destroy each nonland permanent with mana value 1 or less. II — Exile all graveyards. III — Exile this Saga, then return it to the battlefield transformed under your control. |
| Riveteers Ascendancy | BRG | Enchantment | Whenever you sacrifice a creature, you may return target creature card with lesser mana value from your graveyard to the battlefield tapped. Do this only once each turn. |
| Baral's Expertise | 3UU | Sorcery | Return up to three target artifacts and/or creatures to their owners' hands. You may cast a spell with mana value 4 or less from your hand without paying its mana cost. |