Boxing Day

You don't lose the game for having 0 or less life. As long as you have 0 or less life, all damage is dealt to you as though its source had infect. ...

({T}: Add {R}.)

{T}: Add {C}. {5}, {T}, Pay 1 life: Create a 1/1 white and black Human Cleric creature token. {5}, {T}, Sacrifice five creatures: Transform Westval...

({T}: Add {R}.)

Flying When Nicol Bolas, the Ravager enters the battlefield, each opponent discards a card. {4}{U}{B}{R}: Exile Nicol Bolas, the Ravager, then retu...

({T}: Add {B}.)

Flying {T}: Create a 2/2 black Vampire creature token with flying. {B}: Transform Bloodline Keeper. Activate only if you control five or more Vampi...

({T}: Add {B}.)

Destroy all creatures. They can't be regenerated.

({T}: Add {U}.)

Flash Flying, vigilance When Archangel Avacyn enters the battlefield, creatures you control gain indestructible until end of turn. When a non-Angel...

({T}: Add {U}.)

Vigilance {T}: Add one mana of any color. Other legendary creatures you control have vigilance and "{T}: Add one mana of any color."

({T}: Add {W}.)

{T}: Add {C}. {1}: Inkmoth Nexus becomes a 1/1 Phyrexian Blinkmoth artifact creature with flying and infect until end of turn. It's still a land. (...

({T}: Add {W}.)

{T}: Add {C}. {1}: Inkmoth Nexus becomes a 1/1 Phyrexian Blinkmoth artifact creature with flying and infect until end of turn. It's still a land. (...

({T}: Add {B}.)

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped crea...

Black spells you cast cost {1} less to cast.

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped crea...

Black spells you cast cost {1} less to cast.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Whenever an opponent casts a green spell, you may pay {B}{B}. If you do, look at that player's hand and choose a card from it. The player discards ...