M:tG card similarity search
3 · Artifact
{T}: Add one mana of any color. {1}, {T}: Tap target artifact. {2}, {T}: Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.) {3}, {T}: Goad target creature. (Until your next turn, it attacks each combat if able and attacks a player other than you if able.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Key to the Archive | 4 | Artifact | Key to the Archive enters the battlefield tapped. When Key to the Archive enters the battlefield, draft a card from Key to the Archive's spellbook, then discard a card. {T}: Add two mana in any combination of colors. |
| War Room | Land | {T}: Add {C}. {3}, {T}, Pay life equal to the number of colors in your commanders' color identity: Draw a card. | |
| Yavimaya Hollow | Legendary Land | {T}: Add {C}. {G}, {T}: Regenerate target creature. | |
| 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 |
| Swirl the Mists | 2UU | Enchantment | As Swirl the Mists enters the battlefield, choose a color word. All instances of color words in the text of spells and permanents are changed to the chosen color word. |
| Metal Fatigue | 2W | Instant | Tap all artifacts. |
| Grave Choice | 2B | Instant | Target opponent sacrifices a nontoken creature. If that creature had mana value 2 or less, conjure a duplicate of it into your hand. That duplicate perpetually gains "You may spend mana as though it were mana of any color to cast this spell." |
| Overgrowth | 2G | Enchantment — Aura | Enchant land Whenever enchanted land is tapped for mana, its controller adds an additional {G}{G}. |
| Wild Growth | G | Enchantment — Aura | Enchant land Whenever enchanted land is tapped for mana, its controller adds an additional {G}. |
| Jegantha, the Wellspring | 4R/G | Legendary Creature — Elemental Elk | Companion — No card in your starting deck has more than one of the same mana symbol in its mana cost. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.) {T}: Add {W}{U}{B}{R}{G}. This mana can't be spent to pay generic mana costs. 5/5 |