Boxing Day

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

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...

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...

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

Creatures without flying can't attack.

{2}, {T}: Put a charge counter on Green Mana Battery. {T}, Remove any number of charge counters from Green Mana Battery: Add {G}, then add an addit...

{5}, Sacrifice Gauntlets of Chaos: Exchange control of target artifact, creature, or land you control and target permanent an opponent controls tha...

At the beginning of your upkeep, sacrifice Forethought Amulet unless you pay {3}. If an instant or sorcery source would deal 3 or more damage to yo...

Trample As long as you control another creature, prevent all damage that would be dealt to Bronze Horse by spells that target it.

{2}, {T}: Put a charge counter on Black Mana Battery. {T}, Remove any number of charge counters from Black Mana Battery: Add {B}, then add an addit...

Legendary creatures don't untap during their controllers' untap steps. When Arena of the Ancients enters the battlefield, tap all legendary creatures.

{2}, {T}: Target permanent you control becomes the color of your choice. (This effect lasts indefinitely.)

{5}, {T}: Prevent all damage that would be dealt to you this turn by attacking creatures without flying.

Flying {B}{R}{G}, {T}: Target player draws a card.

Whenever a Mountain an opponent controls becomes tapped, you gain 1 life.

Flying At the beginning of your upkeep, sacrifice Vaevictis Asmadi unless you pay {B}{R}{G}. {B}: Vaevictis Asmadi gets +1/+0 until end of turn. {R...

First strike Creatures with swampwalk can be blocked as though they didn't have swampwalk.

Flying {R}{G}, {T}: Target creature gets +2/+2 until end of turn.

{T}: Tor Wauki deals 2 damage to target attacking or blocking creature.