M:tG card similarity search
WUU · Instant
Counter target spell. Its controller can't cast spells this turn.
| Name | Mana | Type | Text |
|---|---|---|---|
| Opal Guardian | WWW | Enchantment | When an opponent casts a creature spell, if Opal Guardian is an enchantment, Opal Guardian becomes a 3/4 Gargoyle creature with flying and protection from red. |
| Mage Duel | 2G | Sorcery | This spell costs {2} less to cast if you've cast another instant or sorcery spell this turn. Target creature you control gets +1/+2 until end of turn. Then it fights target creature you don't control. (Each deals damage equal to its power to the other.) |
| Roilmage's Trick | 3U | Instant | Converge — Creatures your opponents control get -X/-0 until end of turn, where X is the number of colors of mana spent to cast this spell. Draw a card. |
| Guardian of the Great Door | WW | Creature — Angel | As an additional cost to cast this spell, tap four untapped artifacts, creatures, and/or lands you control. Flying 4/4 |
| Rashmi, Eternities Crafter | 2GU | Legendary Creature — Elf Druid | Whenever you cast your first spell each turn, reveal the top card of your library. You may cast it without paying its mana cost if it's a spell with lesser mana value. If you don't cast it, put it into your hand. 2/3 |
| Rain of Riches | 3RR | Enchantment | When Rain of Riches enters the battlefield, create two Treasure tokens. The first spell you cast each turn that mana from a Treasure was spent to cast has cascade. (When you cast the spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.) |
| Demon of Catastrophes | 2BB | Creature — Demon | As an additional cost to cast this spell, sacrifice a creature. Flying, trample 6/6 |
| Rolling Spoil | 2GG | Sorcery | Destroy target land. If {B} was spent to cast this spell, all creatures get -1/-1 until end of turn. |
| Declaration of Naught | UU | Enchantment | As Declaration of Naught enters the battlefield, choose a card name. {U}: Counter target spell with the chosen name. |
| Nullhide Ferox | 2GG | Creature — Beast | Hexproof You can't cast noncreature spells. {2}: Nullhide Ferox loses all abilities until end of turn. Any player may activate this ability. If a spell or ability an opponent controls causes you to discard Nullhide Ferox, put it onto the battlefield instead of putting it into your graveyard. 6/6 |