M:tG card similarity search
5RG · Legendary Creature — Dragon
Flying, haste Whenever Klauth, Unrivaled Ancient attacks, add X mana in any combination of colors, where X is the total power of attacking creatures. Spend this mana only to cast spells. Until end of turn, you don't lose this mana as steps and phases end. 4/4
| Name | Mana | Type | Text |
|---|---|---|---|
| Geode Grotto | Land — Cave | (Transforms from Dowsing Device.) {T}: Add {R}. {2}{R}, {T}: Until end of turn, target creature gains haste and gets +X/+0, where X is the number of artifacts you control. Activate only as a sorcery. | |
| Roaring Slagwurm | 5GG | Creature — Wurm | Whenever Roaring Slagwurm attacks, tap all artifacts. 6/4 |
| Sickening Shoal | XBB | Instant — Arcane | You may exile a black card with mana value X from your hand rather than pay this spell's mana cost. Target creature gets -X/-X until end of turn. |
| Goblin Clearcutter | 3R | Creature — Goblin | {T}, Sacrifice a Forest: Add three mana in any combination of {R} and/or {G}. 3/3 |
| Prismatic Geoscope | 5 | Artifact | Prismatic Geoscope enters the battlefield tapped. Domain — {T}: Add X mana in any combination of colors, where X is the number of basic land types among lands you control. |
| Lion's Eye Diamond | 0 | Artifact | Discard your hand, Sacrifice Lion's Eye Diamond: Add three mana of any one color. Activate only as an instant. |
| Guardians of Oboro | 2U | Creature — Moonfolk Samurai | Defender Modified creatures you control can attack as though they didn't have defender. (Equipment, Auras you control, and counters are modifications.) 3/4 |
| Ragefire Hellkite | 4RR | Creature — Dragon | Flying Whenever Ragefire Hellkite attacks, you may sacrifice another creature. If you do, Ragefire Hellkite gains double strike until end of turn. 5/3 |
| Arni Metalbrow | 2R | Legendary Creature — Human Berserker | Whenever a creature you control attacks or a creature enters the battlefield under your control attacking, you may pay {1}{R}. If you do, you may put a creature card with mana value less than that creature's mana value from your hand onto the battlefield tapped and attacking. 3/3 |
| Reclusive Taxidermist | 1G | Creature — Human Druid | Reclusive Taxidermist gets +3/+2 as long as there are four or more creature cards in your graveyard. {T}: Add one mana of any color. 1/2 |