M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Lapse of Certainty | 2W | Instant | Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard. |
| Memory Lapse | 1U | Instant | Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard. |
| Kopala, Warden of Waves | 1UU | Legendary Creature — Merfolk Wizard | Spells your opponents cast that target a Merfolk you control cost {2} more to cast. Abilities your opponents activate that target a Merfolk you control cost {2} more to activate. 2/2 |
| Interdict | 1U | Instant | Counter target activated ability from an artifact, creature, enchantment, or land. That permanent's activated abilities can't be activated this turn. (Mana abilities can't be targeted.) Draw a card. |
| Keeper of the Dead | BB | Creature — Human Wizard | {B}, {T}: Choose target opponent who had at least two fewer creature cards in their graveyard than you did as you activated this ability. Destroy target nonblack creature that player controls. 1/2 |
| Odds | UR | Instant | Flip a coin. If it comes up heads, counter target instant or sorcery spell. If it comes up tails, copy that spell and you may choose new targets for the copy. |
| Hydromorph Guardian | 2U | Creature — Elemental | {U}, Sacrifice Hydromorph Guardian: Counter target spell that targets a creature you control. 2/2 |
| Dungeon Delver | 1U | Legendary Enchantment — Background | Commander creatures you own have "Room abilities of dungeons you own trigger an additional time." |
| Force of Negation | 1UU | Instant | If it's not your turn, you may exile a blue card from your hand rather than pay this spell's mana cost. Counter target noncreature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. |
| Thrull Wizard | 2B | Creature — Thrull Wizard | {1}{B}: Counter target black spell unless that spell's controller pays {B} or {3}. 1/1 |