M:tG card similarity search
2U · Instant
For each spell and ability your opponents control, counter it unless its controller pays {4}.
| Name | Mana | Type | Text |
|---|---|---|---|
| Penregon Besieged | 1B | Enchantment | At the beginning of your end step, choose a creature with the least toughness among creatures your opponents control. It perpetually gets -1/-1. When your opponents control no creatures, sacrifice Penregon Besieged. |
| Keepsake Gorgon | 3BB | Creature — Gorgon | Deathtouch {5}{B}{B}: Monstrosity 1. (If this creature isn't monstrous, put a +1/+1 counter on it and it becomes monstrous.) When Keepsake Gorgon becomes monstrous, destroy target non-Gorgon creature an opponent controls. 2/5 |
| Fireblast | 4RR | Instant | You may sacrifice two Mountains rather than pay this spell's mana cost. Fireblast deals 4 damage to any target. |
| Labyrinth Guardian | 1U | Creature — Illusion Warrior | When Labyrinth Guardian becomes the target of a spell, sacrifice it. Embalm {3}{U} ({3}{U}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Illusion Warrior with no mana cost. Embalm only as a sorcery.) 2/3 |
| Stronghold Biologist | 2U | Creature — Human Spellshaper | {U}{U}, {T}, Discard a card: Counter target creature spell. 1/1 |
| Kros, Defense Contractor | 1GWU | Legendary Creature — Cat Advisor | At the beginning of your upkeep, put a shield counter on target creature an opponent controls. Whenever you put one or more counters on a creature you don't control, tap that creature and goad it. It gains trample until your next turn. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.) 2/4 |
| Rebound | 1U | Instant | Change the target of target spell that targets only a player. The new target must be a player. |
| 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. |
| Iron Star | 1 | Artifact | Whenever a player casts a red spell, you may pay {1}. If you do, you gain 1 life. |
| Soul Tithe | 1W | Enchantment — Aura | Enchant nonland permanent At the beginning of the upkeep of enchanted permanent's controller, that player sacrifices it unless they pay {X}, where X is its mana value. |