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 |
|---|---|---|---|
| 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. |
| Knowledge and Power | 4R | Enchantment | Whenever you scry, you may pay {2}. If you do, Knowledge and Power deals 2 damage to any target. |
| Ajani Steadfast | 3W | Legendary Planeswalker — Ajani | [+1]: Until end of turn, up to one target creature gets +1/+1 and gains first strike, vigilance, and lifelink. [−2]: Put a +1/+1 counter on each creature you control and a loyalty counter on each other planeswalker you control. [−7]: You get an emblem with "If a source would deal damage to you or a planeswalker you control, prevent all but 1 of that damage." Loyalty 4 |
| Aviary Mechanic | 1W | Creature — Dwarf Artificer | When Aviary Mechanic enters the battlefield, you may return another permanent you control to its owner's hand. 2/2 |
| Glarecaster | 4WW | Creature — Bird Cleric | Flying {5}{W}: The next time damage would be dealt to Glarecaster and/or you this turn, that damage is dealt to any target instead. 3/3 |
| Curse of Shaken Faith | 1R | Enchantment — Aura Curse | Enchant player Whenever enchanted player casts a spell other than the first spell they cast each turn or copies a spell, Curse of Shaken Faith deals 2 damage to them. |
| Fall of the Hammer | 1R | Instant | Target creature you control deals damage equal to its power to another target creature. |
| Alluring Siren | 1U | Creature — Siren | {T}: Target creature an opponent controls attacks you this turn if able. 1/1 |
| Olórin's Searing Light | 2RW | Instant | Each opponent exiles a creature with the greatest power among creatures that player controls. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, Olórin's Searing Light deals damage to each opponent equal to the power of the creature they exiled. |
| Tainted Observer | 1GU | Creature — Phyrexian Bird | Flying Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) Whenever another creature enters the battlefield under your control, you may pay {2}. If you do, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) 2/3 |