M:tG card similarity search
5 · Legendary Artifact — Powerstone
When The Mightstone and Weakstone enters the battlefield, choose one — • Draw two cards. • Target creature gets -5/-5 until end of turn. {T}: Add {C}{C}. This mana can't be spent to cast nonartifact spells. (Melds with Urza, Lord Protector.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Wormhole Serpent | 4U | Creature — Serpent | {3}{U}: Target creature can't be blocked this turn. 3/5 |
| The Seedcore | Land — Sphere | {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast Phyrexian creature spells. Corrupted — {T}: Target 1/1 creature gets +2/+1 until end of turn. Activate only if an opponent has three or more poison counters. | |
| Watermarket | Land | {T}: Add {C}{C}. Spend this mana only to cast spells with watermarks. | |
| Bladecoil Serpent | X6 | Artifact Creature — Serpent | When Bladecoil Serpent enters the battlefield, for each {U}{U} spent to cast it, draw a card. When Bladecoil Serpent enters the battlefield, for each {B}{B} spent to cast it, each opponent discards a card. When Bladecoil Serpent enters the battlefield, for each {R}{R} spent to cast it, it gets +1/+0 and gains trample and haste until end of turn. 5/4 |
| Soulstinger | 3B | Creature — Scorpion Demon | When Soulstinger enters the battlefield, put two -1/-1 counters on target creature you control. When Soulstinger dies, you may put a -1/-1 counter on target creature for each -1/-1 counter on Soulstinger. 4/5 |
| Unclaimed Territory | Land | As Unclaimed Territory enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type. | |
| Argivian Avenger | 6 | Artifact Creature — Shapeshifter | {1}: Until end of turn, Argivian Avenger gets -1/-1 and gains your choice of flying, vigilance, deathtouch, or haste. 5/5 |
| Karn, Legacy Reforged | 5 | Legendary Artifact Creature — Golem | Karn, Legacy Reforged's power and toughness are each equal to the greatest mana value among artifacts you control. At the beginning of your upkeep, add {C} for each artifact you control. This mana can't be spent to cast nonartifact spells. Until end of turn, you don't lose this mana as steps and phases end. */* |
| Battlefront Krushok | 4G | Creature — Beast | Battlefront Krushok can't be blocked by more than one creature. Each creature you control with a +1/+1 counter on it can't be blocked by more than one creature. 3/4 |
| 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. |