M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Ambiguity | 2UU | Enchantment | Whenever a player plays a spell that counters a spell that has been played or a player plays a spell that comes into play with counters, that player may counter the next spell played or put an additional counter on a permanent that has already been played, but not countered. |
| Worms of the Earth | 2BBB | Enchantment | Players can't play lands. Lands can't enter the battlefield. At the beginning of each upkeep, any player may sacrifice two lands or have Worms of the Earth deal 5 damage to that player. If a player does either, destroy Worms of the Earth. |
| Solfatara | 2R | Instant | Target player can't play lands this turn. Draw a card at the beginning of the next turn's upkeep. |
| Disallow | 1UU | Instant | Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.) |
| Voidslime | GUU | Instant | Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.) |
| Psychic Trance | 2UU | Instant | Until end of turn, Wizards you control gain "{T}: Counter target spell." |
| Disappearing Act | 1UU | Instant | As an additional cost to cast this spell, return a permanent you control to its owner's hand. Counter target spell. |
| Draining Whelk | 4UU | Creature — Illusion | Flash Flying When Draining Whelk enters the battlefield, counter target spell. Put X +1/+1 counters on Draining Whelk, where X is that spell's mana value. 1/1 |
| Illusion | U | Instant | Target spell or permanent becomes the color of your choice until end of turn. |
| Childhood Horror | 3B | Creature — Horror | Flying Threshold — As long as seven or more cards are in your graveyard, Childhood Horror gets +2/+2 and can't block. 2/2 |