Card Codex

Valkmira, Protector's Shield

Scryfall

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}.

Similar cards

Name	Mana	Type	Text
Ice Cage	1U	Enchantment — Aura	Enchant creature Enchanted creature can't attack or block, and its activated abilities can't be activated. When enchanted creature becomes the target of a spell or ability, destroy Ice Cage.
Maddening Hex	1RR	Enchantment — Aura Curse	Enchant player Whenever enchanted player casts a noncreature spell, roll a d6. Maddening Hex deals damage to that player equal to the result. Then attach Maddening Hex to another one of your opponents chosen at random.
Reknit	1G/W	Instant	Regenerate target permanent.
Reverberation	2UU	Instant	All damage that would be dealt this turn by target sorcery spell is dealt to that spell's controller instead.
Blood Clock	4	Artifact	At the beginning of each player's upkeep, that player returns a permanent they control to its owner's hand unless they pay 2 life.
Glorious Gale	1U	Instant	Counter target creature spell. If it was a legendary spell, the Ring tempts you.
Corruption of Towashi	4U	Enchantment	When Corruption of Towashi enters the battlefield, incubate 4. (Create an Incubator token with four +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.) Whenever a permanent you control transforms or a permanent enters the battlefield under your control transformed, you may draw a card. Do this only once each turn.
Radiating Lightning	3R	Instant	Radiating Lightning deals 3 damage to target player and 1 damage to each creature that player controls.
Rishadan Pawnshop	2	Artifact	{2}, {T}: Shuffle target nontoken permanent you control into its owner's library.
Illusionary Armor	4U	Enchantment — Aura	Enchant creature Enchanted creature gets +4/+4. When enchanted creature becomes the target of a spell or ability, sacrifice Illusionary Armor.