M:tG card similarity search
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}.
| Name | Mana | Type | Text |
|---|---|---|---|
| Dead of Winter | 2B | Sorcery | All nonsnow creatures get -X/-X until end of turn, where X is the number of snow permanents you control. |
| Sleeper Agent | B | Creature — Phyrexian Minion | When Sleeper Agent enters the battlefield, target opponent gains control of it. At the beginning of your upkeep, Sleeper Agent deals 2 damage to you. 3/3 |
| Marshal of Zhalfir | WU | Creature — Human Knight | Other Knights you control get +1/+1. {W}{U}, {T}: Tap another target creature. 2/2 |
| Pox | BBB | Sorcery | Each player loses a third of their life, then discards a third of the cards in their hand, then sacrifices a third of the creatures they control, then sacrifices a third of the lands they control. Round up each time. |
| Castle Embereth | Land | Castle Embereth enters the battlefield tapped unless you control a Mountain. {T}: Add {R}. {1}{R}{R}, {T}: Creatures you control get +1/+0 until end of turn. | |
| Lurking Skirge | 1B | Enchantment | When a creature is put into an opponent's graveyard from the battlefield, if Lurking Skirge is an enchantment, Lurking Skirge becomes a 3/2 Phyrexian Imp creature with flying. |
| Embolden | 2W | Instant | Prevent the next 4 damage that would be dealt this turn to any number of targets, divided as you choose. Flashback {1}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.) |
| Rewards of Diversity | 2W | Enchantment | Whenever an opponent casts a multicolored spell, you gain 4 life. |
| Esior, Wardwing Familiar | 1U | Legendary Creature — Bird | Flying Spells your opponents cast that target one or more commanders you control cost {3} more to cast. Partner (You can have two commanders if both have partner.) 1/3 |
| Hag of Inner Weakness | 2B | Creature — Hag Warlock | At the beginning of your upkeep, target creature an opponent controls gets -2/-1 until your next turn. 2/2 |