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 |
|---|---|---|---|
| Relentless Dead | BB | Creature — Zombie | Menace (This creature can't be blocked except by two or more creatures.) When Relentless Dead dies, you may pay {B}. If you do, return it to its owner's hand. When Relentless Dead dies, you may pay {X}. If you do, return another target Zombie creature card with mana value X from your graveyard to the battlefield. 2/2 |
| Master of Predicaments | 3UU | Creature — Sphinx | Flying Whenever Master of Predicaments deals combat damage to a player, choose a card in your hand. That player guesses whether the card's mana value is greater than 4. If the player guessed wrong, you may cast the card without paying its mana cost. 4/4 |
| Yule Ooze | 2RG | Creature — Ooze | At the beginning of your upkeep, destroy another nonland permanent chosen at random, then put a number of +1/+1 counters on Yule Ooze equal to that permanent's converted mana cost. {R}{G}, Eat some food: Regenerate Yule Ooze. 1/1 |
| Invasion of Innistrad | 2BB | Battle — Siege | (As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) Flash When Invasion of Innistrad enters the battlefield, target creature an opponent controls gets -13/-13 until end of turn. |
| Prototype Portal | 4 | Artifact | Imprint — When Prototype Portal enters the battlefield, you may exile an artifact card from your hand. {X}, {T}: Create a token that's a copy of the exiled card. X is the mana value of that card. |
| Seton, Krosan Protector | GGG | Legendary Creature — Centaur Druid | Tap an untapped Druid you control: Add {G}. 2/2 |
| Excavation | 1U | Enchantment | {1}, Sacrifice a land: Draw a card. Any player may activate this ability. |
| Bringer of the Green Dawn | 7GG | Creature — Bringer | You may pay {W}{U}{B}{R}{G} rather than pay this spell's mana cost. Trample At the beginning of your upkeep, you may create a 3/3 green Beast creature token. 5/5 |
| Chancellor of the Forge | 4RRR | Creature — Phyrexian Giant | You may reveal this card from your opening hand. If you do, at the beginning of the first upkeep, create a 1/1 red Phyrexian Goblin creature token with haste. When Chancellor of the Forge enters the battlefield, create X 1/1 red Phyrexian Goblin creature tokens with haste, where X is the number of creatures you control. 5/5 |
| Battle at the Bridge | XB | Sorcery | Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Target creature gets -X/-X until end of turn. You gain X life. |