M:tG card similarity search
4 · Legendary Planeswalker — Karn
Activated abilities of artifacts your opponents control can't be activated. [+1]: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value. [−2]: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile. Put that card into your hand. Loyalty 5
| Name | Mana | Type | Text |
|---|---|---|---|
| Alibou, Ancient Witness | 3RW | Legendary Artifact Creature — Golem | Other artifact creatures you control have haste. Whenever one or more artifact creatures you control attack, Alibou, Ancient Witness deals X damage to any target and you scry X, where X is the number of tapped artifacts you control. 4/5 |
| Scheming Fence | WU | Creature — Human Citizen | As Scheming Fence enters the battlefield, you may choose a nonland permanent. Activated abilities of the chosen permanent can't be activated. Scheming Fence has all activated abilities of the chosen permanent except for loyalty abilities. You may spend mana as though it were mana of any color to activate those abilities. 2/3 |
| Dimir Keyrune | 3 | Artifact | {T}: Add {U} or {B}. {U}{B}: Dimir Keyrune becomes a 2/2 blue and black Horror artifact creature until end of turn and can't be blocked this turn. |
| Blind Obedience | 1W | Enchantment | Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.) Artifacts and creatures your opponents control enter the battlefield tapped. |
| Steel Overseer | 2 | Artifact Creature — Construct | {T}: Put a +1/+1 counter on each artifact creature you control. 1/1 |
| Artifact Mutation | RG | Instant | Destroy target artifact. It can't be regenerated. Create X 1/1 green Saproling creature tokens, where X is that artifact's mana value. |
| Flamewar, Brash Veteran | 1BR | Legendary Artifact Creature — Robot | More Than Meets the Eye {B}{R} (You may cast this card converted for {B}{R}.) Sacrifice another artifact: Put a +1/+1 counter on Flamewar and convert it. Activate only as a sorcery. {1}, Discard your hand: Put all exiled cards you own with intel counters on them into your hand. 3/2 |
| Twitch | 2U | Instant | You may tap or untap target artifact, creature, or land. Draw a card. |
| Dwarven Weaponsmith | 1R | Creature — Dwarf Artificer | {T}, Sacrifice an artifact: Put a +1/+1 counter on target creature. Activate only during your upkeep. 1/1 |
| Rats of Rath | 1B | Creature — Rat | {B}: Destroy target artifact, creature, or land you control. 2/1 |