mtg.wtf

{T}: Add {C}.
{T}: Add {R} or {G}. Karplusan Forest deals 1 damage to you.

As long as Winter Orb is untapped, players can't untap more than one land during their untap steps.

{T}: Add {C}.
{1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

Destroy all white permanents.

{T}, Exile Feldon's Cane: Shuffle your graveyard into your library.

Exile target creature. Its controller gains life equal to its power.

Each player chooses a number of lands they control equal to the number of lands controlled by the player who controls the fewest, then sacrifices the rest. Players discard cards and sacrifice creatures the same way.

Haste
{R}{R}{R}: Regenerate Eron the Relentless.

Dwarven Ruins enters the battlefield tapped.
{T}: Add {R}.
{T}, Sacrifice Dwarven Ruins: Add {R}{R}.

Havenwood Battleground enters the battlefield tapped.
{T}: Add {G}.
{T}, Sacrifice Havenwood Battleground: Add {G}{G}.

{2}, {T}: You gain 1 life.

Ruins of Trokair enters the battlefield tapped.
{T}: Add {W}.
{T}, Sacrifice Ruins of Trokair: Add {W}{W}.

Svyelunite Temple enters the battlefield tapped.
{T}: Add {U}.
{T}, Sacrifice Svyelunite Temple: Add {U}{U}.

Enchant artifact
You control enchanted artifact.

Serrated Arrows enters the battlefield with three arrowhead counters on it.
At the beginning of your upkeep, if there are no arrowhead counters on Serrated Arrows, sacrifice it.
{T}, Remove an arrowhead counter from Serrated Arrows: Put a -1/-1 counter on target creature.

{T}: Add {C}.
{1}, {T}: Add {U}.
{2}, {T}: Add {W} or {B}.

{1}: The next time a red source of your choice would deal damage to you this turn, prevent that damage.

{1}: The next time a red source of your choice would deal damage to you this turn, prevent that damage.

Destroy target artifact or enchantment.