M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Erratic Portal | 4 | Artifact | {1}, {T}: Return target creature to its owner's hand unless its controller pays {1}. |
| Deny Existence | 2U | Instant | Counter target creature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. |
| Soulsworn Jury | 2W | Creature — Spirit | Defender (This creature can't attack.) {1}{U}, Sacrifice Soulsworn Jury: Counter target creature spell. 1/4 |
| Valkmira, Protector's Shield | 3W | Legendary Artifact | If a source an opponent controls would deal damage to you or a permanent you control, prevent 1 of that damage. Whenever you or another permanent you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {1}. |
| Cowed by Wisdom | W | Enchantment — Aura | Enchant creature Enchanted creature can't attack or block unless its controller pays {1} for each card in your hand. |
| Countersquall | UB | Instant | Counter target noncreature spell. Its controller loses 2 life. |
| Electrosiphon | UUR | Instant | Counter target spell. You get an amount of {E} (energy counters) equal to its mana value. |
| Sphere of Safety | 4W | Enchantment | Creatures can't attack you or planeswalkers you control unless their controller pays {X} for each of those creatures, where X is the number of enchantments you control. |
| Mystic Genesis | 2GUU | Instant | Counter target spell. Create an X/X green Ooze creature token, where X is that spell's mana value. |
| Reject Imperfection | 1UU | Instant | Counter target spell. If that spell's mana value was 3 or less, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) |