M:tG card similarity search
G · Enchantment
At the beginning of each of your main phases, if you haven't added mana with this ability this turn, you may add X mana of any one color, where X is the number of Islands target opponent controls.
| Name | Mana | Type | Text |
|---|---|---|---|
| Thieving Skydiver | 1U | Creature — Merfolk Rogue | Kicker {X}. X can't be 0. (You may pay an additional {X} as you cast this spell.) Flying When Thieving Skydiver enters the battlefield, if it was kicked, gain control of target artifact with mana value X or less. If that artifact is an Equipment, attach it to Thieving Skydiver. 2/1 |
| Kiora, Sovereign of the Deep | 3GU | Legendary Creature — Merfolk Noble | Vigilance, ward {3} Whenever you cast a Kraken, Leviathan, Octopus, or Serpent spell from your hand, look at the top X cards of your library, where X is that spell's mana value. You may cast a spell with mana value less than X from among them without paying its mana cost. Put the rest on the bottom of your library in a random order. 4/5 |
| Ribbons | XBB | Sorcery | Aftermath (Cast this spell only from your graveyard. Then exile it.) Each opponent loses X life. |
| Ruinous Intrusion | 3G | Instant | Exile target artifact or enchantment. Put X +1/+1 counters on target creature you control, where X is the mana value of the permanent exiled this way. |
| Agatha of the Vile Cauldron | RG | Legendary Creature — Human Warlock | Activated abilities of creatures you control cost {X} less to activate, where X is Agatha of the Vile Cauldron's power. This effect can't reduce the mana in that cost to less than one mana. {4}{R}{G}: Other creatures you control get +1/+1 and gain trample and haste until end of turn. 1/1 |
| Blue Sun's Zenith | XUUU | Instant | Target player draws X cards. Shuffle Blue Sun's Zenith into its owner's library. |
| Pack Attack | 2R | Instant | Attacking creatures get +X/+0 until end of turn, where X is the number of players being attacked. Draw a card. |
| Cunning Rhetoric | 2B | Enchantment | Whenever an opponent attacks you and/or one or more planeswalkers you control, exile the top card of that player's library. You may play that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast it. |
| Subterranean Tremors | XR | Sorcery | Subterranean Tremors deals X damage to each creature without flying. If X is 4 or more, destroy all artifacts. If X is 8 or more, create an 8/8 red Lizard creature token. |
| Sea Gate | Land — Gate | Sea Gate enters the battlefield tapped. As Sea Gate enters the battlefield, choose a color other than blue. {T}: Add {U} or one mana of the chosen color. |