Sphere of Reason

Cards similar to Sphere of Reason:

Cover of Winter

Snow Enchantment

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it. can be paid with one mana from a snow source.)
If a creature would deal combat damage to you and/or one or more creatures you control, prevent X of that damage, where X is the number of age counters on Cover of Winter.
: Put an age counter on Cover of Winter.

4.5 /10

$0.27

Djeru, With Eyes Open

Legendary Creature — Human Warrior (4/3)

Vigilance
When Djeru, With Eyes Open enters, you may search your library for a planeswalker card, reveal it, put it into your hand, then shuffle.
If a source would deal damage to a planeswalker you control, prevent 1 of that damage.

7.3 /10

$0.27

Guardian Seraph

Creature — Angel (3/4)

Flying
If a source an opponent controls would deal damage to you, prevent 1 of that damage.

4.4 /10

$0.63

Hedron-Field Purists

Creature — Human Cleric (0/3)

Level up (: Put a level counter on this. Level up only as a sorcery.)
LEVEL 1-4
1/4
If a source would deal damage to you or a creature you control, prevent 1 of that damage.
LEVEL 5+
2/5
If a source would deal damage to you or a creature you control, prevent 2 of that damage.

3.6 /10

$0.23

Protection of the Hekma

Enchantment

If a source an opponent controls would deal damage to you, prevent 1 of that damage.

2.8 /10

$0.02

Reidane, God of the Worthy // Valkmira, Protector's Shield

Legendary Creature — God // Legendary Artifact (2/3)

Flying, vigilance
Snow lands your opponents control enter tapped.
Noncreature spells your opponents cast with mana value 4 or greater cost more to cast.

Valkmira, Protector's Shield

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 .

8.3 /10

$0.41

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