M:tG card similarity search
1R · Creature — Human Cleric
Whenever an opponent activates an ability of an artifact, creature, or land on the battlefield, if it isn't a mana ability, Harsh Mentor deals 2 damage to that player. 2/2
| Name | Mana | Type | Text |
|---|---|---|---|
| Magewright's Stone | 2 | Artifact | {1}, {T}: Untap target creature that has an activated ability with {T} in its cost. |
| Green Slime | 2G | Creature — Ooze | Flash When Green Slime enters the battlefield, counter target activated or triggered ability from an artifact or enchantment source. If a permanent's ability is countered this way, destroy that permanent. Foretell {G} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.) 2/2 |
| Breath of Malfegor | 3BR | Instant | Breath of Malfegor deals 5 damage to each opponent. |
| Flame Rift | 1R | Sorcery | Flame Rift deals 4 damage to each player. |
| Sizzle | 2R | Sorcery | Sizzle deals 3 damage to each opponent. |
| Xenagos's Strike | Sorcery | Xenagos's Strike deals 4 damage to each player. | |
| Karn's Sylex | 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. |
| Thunderbreak Regent | 2RR | Creature — Dragon | Flying Whenever a Dragon you control becomes the target of a spell or ability an opponent controls, Thunderbreak Regent deals 3 damage to that player. 4/4 |
| Well of Knowledge | 3 | Artifact | {2}: Draw a card. Any player may activate this ability but only during their draw step. |
| Lethal Vapors | 2BB | Enchantment | Whenever a creature enters the battlefield, destroy it. {0}: Destroy Lethal Vapors. You skip your next turn. Any player may activate this ability. |