mtg.wtf

Whenever you crank Widget Contraption, it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

Defender
{2}, Sacrifice Wild-Field Scarecrow: Search your library for up to two basic land cards, reveal them, and put them into your hand. Then shuffle your library.

Convoke

{T}: Add {C}.
{2}, {T}: You may cast creature spells this turn as though they had flash.

Players play with the top card of their libraries revealed.
You may play the top card of any player's library.
Whenever you roll {CHAOS}, each player puts the top card of their library into their graveyard.

{T}, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle your library.

{4}: Target creature gets +X/+0 until end of turn, where X is its power. Sacrifice Wine of Blood and Iron at the beginning of the next end step.

Wingrattle Scarecrow has flying as long as you control a blue creature.
Wingrattle Scarecrow has persist as long as you control a black creature.

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

Wintermoon Mesa enters the battlefield tapped.
{T}: Add {C}.
{2}, {T}, Sacrifice Wintermoon Mesa: Tap two target lands.

Wirecat can't attack or block if an enchantment is on the battlefield.

{3}, {T}: Flip a coin. If you win the flip, create a 2/2 colorless Insect artifact creature token with flying named Wirefly. If you lose the flip, destroy all permanents named Wirefly.

When Witchbane Orb enters the battlefield, destroy all Curses attached to you.
You have hexproof.

Equipped creature has "{1}, {T}: Scry 1."
Equip {1}

Morph {5}

Equipped creature has "{T}: This creature deals 1 damage to any target" and "{T}: This creature deals 3 damage to target Werewolf creature."
Equip {5}

{T}, Pay 1 life, Sacrifice Wooded Foothills: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle your library.

Whenever a player casts a green spell, you may pay {1}. If you do, you gain 1 life.

Equipped creature gets +1/+0.
Whenever equipped creature blocks or becomes blocked by a Vampire, destroy that creature. It can't be regenerated.
Equip {1}

Workhorse enters the battlefield with four +1/+1 counters on it.
Remove a +1/+1 counter from Workhorse: Add {C}.

When Workshop Assistant dies, return another target artifact card from your graveyard to your hand.

{5}, Sacrifice World-Bottling Kit: Choose a Magic set. Exile all permanents with that set's expansion symbol except for basic lands.

As long as every card in your card pool started the game in your library or in the command zone, lands you control have "{T}: Add one mana of any color."

Whenever equipped creature deals combat damage to a player, destroy all permanents other than Worldslayer.
Equip {5}