mtg.wtf

{T}: Add one mana of any color.
{1}{G}{U}, {T}: Target creature you control gains flying and gets +X/+X until end of turn, where X is its power.

Winnowing Forces's power and toughness are each equal to the number of lands you control.

Flying, intimidate, trample
Whenever a player loses the game, put thirteen +1/+1 counters on Withengar Unbound.

{1}{G}: Wolfbitten Captive gets +2/+2 until end of turn. Activate only once each turn.
At the beginning of each upkeep, if no spells were cast last turn, transform Wolfbitten Captive.

This spell costs {2} less to cast if you control a Wolf or Werewolf.
Daybound

Wrathful Jailbreaker attacks each combat if able.
Nightbound

Wretched Bonemass's power and toughness are each equal to the total power of the exiled cards used to craft it.
Wretched Bonemass has flying as long as an exiled card used to craft it has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, protection, reach, trample, and vigilance.

Reach
For each non-Human creature you control, you may have that creature assign its combat damage as though it weren't blocked.

Zof Bloodbog enters the battlefield tapped.
{T}: Add {B}.

Each opponent loses 4 life and you gain 4 life.