Boxing Day

When Thickest in the Thicket enters, put X +1/+1 counters on target creature, where X is that creature's power. At the beginning of your end step, ...

When this creature dies, you gain 1 life.

When this creature dies, you gain 1 life.

Temple of Enlightenment enters tapped. When Temple of Enlightenment enters, scry 1. {T}: Add {W} or {U}.

Temple of Abandon enters tapped. When Temple of Abandon enters, scry 1. {T}: Add {R} or {G}.

{T}: Add {C}. {T}: Add {B} or {G}. Activate only if you control a Swamp.

{1}, {T}: Add {R}{W}.

Sunpetal Grove enters tapped unless you control a Forest or a Plains. {T}: Add {G} or {W}.

{1}, {T}: Add {G}{W}.

Sulfur Falls enters tapped unless you control an Island or a Mountain. {T}: Add {U} or {R}.

{1}, {T}: Add {W}{U}.

{T}: Add {C}. {T}: Add {U} or {R}. Shivan Reef deals 1 damage to you.

({T}: Add {R} or {G}.) Sheltered Thicket enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

Myriad, myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token that's a copy of this creatur...

Seaside Citadel enters tapped. {T}: Add {G}, {W}, or {U}.

Seachrome Coast enters tapped unless you control two or fewer other lands. {T}: Add {W} or {U}.

{T}: Add {C}. {R/W}, {T}: Add {R}{R}, {R}{W}, or {W}{W}.

Rootbound Crag enters tapped unless you control a Mountain or a Forest. {T}: Add {R} or {G}.

Razorverge Thicket enters tapped unless you control two or fewer other lands. {T}: Add {G} or {W}.

Raging Ravine enters tapped. {T}: Add {R} or {G}. {2}{R}{G}: Until end of turn, Raging Ravine becomes a 3/3 red and green Elemental creature with "...

({T}: Add {W} or {U}.) Prairie Stream enters tapped unless you control two or more basic lands.

Path of Ancestry enters tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell...