mtg.wtf

Whenever a spell or ability causes its controller to shuffle their library, that player puts a card from their hand on top of their library.

Hideaway 5
Whenever you cast a multicolored spell, create a Treasure token. Then you may pay {W}{U}{B}{R}{G}. If you do, you may play the exiled card without paying its mana cost.

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

Whenever a creature you control attacks alone, it gets +1/+0 and gains deathtouch until end of turn.

Target creature gets +4/+4 until end of turn.

Wight enters tapped.
Life Drain — Whenever a creature dealt damage by Wight this turn dies, create a tapped 2/2 black Zombie creature token and exile that card.

Wight of Precinct Six gets +1/+1 for each creature card in your opponents' graveyards.

Vigilance
Wight of the Reliquary gets +1/+1 for each creature card in your graveyard.
{T}, Sacrifice another creature: Search your library for a land card, put it onto the battlefield tapped, then shuffle.

Wiitigo enters with six +1/+1 counters on it.
At the beginning of your upkeep, put a +1/+1 counter on Wiitigo if it has blocked or been blocked since your last upkeep. Otherwise, remove a +1/+1 counter from it.

Flying, first strike
{W}{W}: Wild Aesthir gets +2/+0 until end of turn. Activate only once each turn.

Whenever Wild Beastmaster attacks, each other creature you control gets +X/+X until end of turn, where X is Wild Beastmaster's power.

Sacrifice Wild Cantor: Add one mana of any color.

When Wild Celebrants enters, you may destroy target artifact.

Haste

When this creature enters, search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Whenever a creature you control becomes the target of an instant or sorcery spell, that creature gets +3/+3 until end of turn.

At the beginning of your upkeep, if a player has more life than each other player, the player with the most life gains control of Wild Dogs.
Cycling {2}

Trample

Roll two d4 and choose one result. Create a number of 3/3 green Beast creature tokens equal to that result. Then search your library for a number of basic land cards equal to the other result, put them onto the battlefield tapped, then shuffle.

At the beginning of each player's upkeep, that player reveals a card at random from their hand. If it's a land card, the player puts it onto the battlefield. Otherwise, the player casts it without paying its mana cost if able.

Draw two cards, then discard two cards. Create a Food token.

Flying

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional {G}.

As an additional cost to cast this spell, discard a card.
Draw two cards.