M:tG card similarity search
3 · Legendary Artifact
Karn's Sylex enters the battlefield tapped. Players can't pay life to cast spells or to activate abilities that aren't mana abilities. {X}, {T}, Exile Karn's Sylex: Destroy each nonland permanent with mana value X or less. Activate only as a sorcery.
| Name | Mana | Type | Text |
|---|---|---|---|
| Phyrexian Rebirth | 4WW | Sorcery | Destroy all creatures, then create an X/X colorless Phyrexian Horror artifact creature token, where X is the number of creatures destroyed this way. |
| Subterranean Tremors | XR | Sorcery | Subterranean Tremors deals X damage to each creature without flying. If X is 4 or more, destroy all artifacts. If X is 8 or more, create an 8/8 red Lizard creature token. |
| River's Rebuke | 4UU | Sorcery | Return all nonland permanents target player controls to their owner's hand. |
| Callidus Assassin | 4UB | Creature — Human Shapeshifter Assassin | Flash Polymorphine — You may have Callidus Assassin enter the battlefield tapped as a copy of any creature on the battlefield, except it has "When this creature enters the battlefield, destroy up to one other target creature with the same name as this creature." 3/3 |
| Tunnel | R | Instant | Destroy target Wall. It can't be regenerated. |
| Grand Warlord Radha | 2RG | Legendary Creature — Elf Warrior | Haste Whenever one or more creatures you control attack, add that much mana in any combination of {R} and/or {G}. Until end of turn, you don't lose this mana as steps and phases end. 3/4 |
| Monumental Corruption | 3BB | Sorcery | Target player draws X cards and loses X life, where X is the number of artifacts you control. |
| Culmination of Studies | XUR | Sorcery | Exile the top X cards of your library. For each land card exiled this way, create a Treasure token. For each blue card exiled this way, draw a card. For each red card exiled this way, Culmination of Studies deals 1 damage to each opponent. |
| Aetherflux Reservoir | 4 | Artifact | Whenever you cast a spell, you gain 1 life for each spell you've cast this turn. Pay 50 life: Aetherflux Reservoir deals 50 damage to any target. |
| Urza, Powerstone Prodigy | 2U | Legendary Creature — Human Artificer | Vigilance {1}, {T}: Draw a card, then discard a card. Whenever you discard one or more artifact cards, create a tapped Powerstone token. This ability triggers only once each turn. (The token is an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.") 1/3 |