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Put X glyph counters on target creature that target Wall blocked this turn, where X is the power of that blocked creature. The creature gains "This...

If Clergy of the Holy Nimbus would be destroyed, regenerate it. {1}: Clergy of the Holy Nimbus can't be regenerated this turn. Only any opponent ma...

Enchant creature Prevent all combat damage that would be dealt to and dealt by enchanted creature.

Counter target spell unless its controller pays {1}.

Counter target instant spell.

Players play with the top card of their libraries revealed.

{3}, {T}: The next time a source of your choice would deal damage to you this turn, that damage is dealt to target creature of an opponent's choice...

{4}, {T}: For one spell this turn, you may spend mana as though it were mana of any type to pay that spell's mana cost. (Additional costs are still...

Tap target untapped creature you control. If you do, add an amount of {C} equal to that creature's converted mana cost.

{T}, Sacrifice Mirror Universe: Exchange life totals with target opponent. Activate this ability only during your upkeep.

All Walls able to block Marble Priest do so. Prevent all combat damage that would be dealt to Marble Priest by Walls.

Attach target Aura attached to a creature or land to another permanent of that type.

Instant and enchantment spells you cast cost up to {2} less to cast.

{4}, {T}: Put a matrix counter on target creature and that creature gains "Remove a matrix counter from this creature: Regenerate this creature." A...

At the beginning of your upkeep, unless you sacrifice an Island, sacrifice Elder Spawn and it deals 6 damage to you. Elder Spawn can't be blocked b...

Sacrifice a creature: You gain life equal to the sacrificed creature's toughness. Activate this ability only during your upkeep.

{2}, {T}: Prevent all damage that would be dealt this turn by target creature you control. That creature gets +0/+X until end of turn, where X is i...

{2}, {T}: Exile the top card of your library face down. {0}: Sacrifice Knowledge Vault. If you do, discard your hand, then put all cards exiled wit...

Enchant creature {0}: Enchanted creature becomes the color or colors of your choice. Activate this ability only once each turn.

Look at the top five cards of target player's library. You may then have that player shuffle that library.

First strike (This creature deals combat damage before creatures without first strike.)

{2}, {T}: Prevent all combat damage that would be dealt by target creature this turn.

Creatures you control get +1/+1 as long as you control no nonartifact, nonwhite creatures.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)