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 |
|---|---|---|---|
| Scourglass | 3WW | Artifact | {T}, Sacrifice Scourglass: Destroy all permanents except for artifacts and lands. Activate only during your upkeep. |
| Covetous Dragon | 4R | Creature — Dragon | Flying When you control no artifacts, sacrifice Covetous Dragon. 6/5 |
| Nim Shrieker | 3B | Creature — Zombie | Flying Nim Shrieker gets +1/+0 for each artifact you control. 0/1 |
| Shattered Dreams | B | Sorcery | Target opponent reveals their hand. You choose an artifact card from it. That player discards that card. |
| Gnomeball Machine | Artifact — Contraption | Whenever you crank Gnomeball Machine, create two 1/1 colorless Gnome artifact creature tokens. | |
| Krark-Clan Ogre | 3RR | Creature — Ogre | {R}, Sacrifice an artifact: Target creature can't block this turn. 3/3 |
| Chrome Courier | 1WU | Artifact Creature — Thopter | Flying When Chrome Courier enters the battlefield, reveal the top two cards of your library. Put one of them into your hand and the other into your graveyard. If you put an artifact card into your hand this way, you gain 3 life. 1/1 |
| Polymorphist's Jest | 1UU | Instant | Until end of turn, each creature target player controls loses all abilities and becomes a blue Frog with base power and toughness 1/1. |
| Aethershield Artificer | 3W | Creature — Dwarf Artificer | At the beginning of combat on your turn, target artifact creature you control gets +2/+2 and gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) 3/3 |
| Hide | RW | Instant | Put target artifact or enchantment on the bottom of its owner's library. |