mtg.wtf

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}

Trample
When Woodfall Primus enters, destroy target noncreature permanent.
Persist

When Woodland Acolyte enters, draw a card.

When Woodland Bellower enters, you may search your library for a nonlegendary green creature card with mana value 3 or less, put it onto the battlefield, then shuffle.

Woodland Cemetery enters tapped unless you control a Swamp or a Forest.
{T}: Add {B} or {G}.

Whenever one or more tokens you control enter, put that many +1/+1 counters on Woodland Champion.

Changeling

Woodland Chasm enters tapped.

Search your library for a basic land card, reveal it, put it into your hand, then shuffle. It perpetually becomes a Clue artifact in addition to its other types and gains "{2}, Sacrifice this permanent: Draw a card."

{T}: Add {G}.

Vigilance

Woodland Stream enters tapped.
{T}: Add {G} or {U}.

Vigilance, trample
Converge — Woodland Wanderer enters with a +1/+1 counter on it for each color of mana spent to cast it.

When Woodweaver's Puzzleknot enters, you gain 3 life and get {E}{E}{E}.
{2}{G}, Sacrifice Woodweaver's Puzzleknot: You gain 3 life and get {E}{E}{E}.

Morph {5}{G}

Look at target opponent's hand and choose a card from it. You control that player until Word of Command finishes resolving. The player plays that card if able. While doing so, the player can activate mana abilities only if they're from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card. If the chosen card is cast as a spell, you control the player while that spell is resolving.

Split second
Untap target permanent and gain control of it until end of turn. It gains haste until end of turn.

{1}: The next time you would draw a card this turn, Words of War deals 2 damage to any target instead.

Assemble two Contraptions. (Put the top card of your Contraption deck face up onto one of your sprockets. Then repeat this process.)

Workhorse enters 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.

Artifact creatures you control have flying.
At the beginning of combat on your turn, you may have target noncreature artifact you control become a 0/0 artifact creature. If you do, put four +1/+1 counters on it.

Trample
When Workshop Warchief enters, you gain 3 life.
When Workshop Warchief dies, create a 4/4 green Rhino Warrior creature token.
Blitz {4}{G}{G}