mtg.wtf

[+1]: Creatures you control get +1/+1 and gain trample until end of turn.
[–1]: Arlinn, Embraced by the Moon deals 3 damage to any target. Transform Arlinn, Embraced by the Moon.
[–6]: You get an emblem with "Creatures you control have haste and '{T}: This creature deals damage equal to its power to any target.'"

Nightbound
[+2]: Add {R}{G}.
[0]: Until end of turn, Arlinn, the Moon's Fury becomes a 5/5 Werewolf creature with trample, indestructible, and haste.

Modular 3
{X}, {T}: Move X +1/+1 counters from Blaster onto another target artifact. That artifact gains haste until end of turn. If Blaster has no +1/+1 counters on it, convert it. Activate only as a sorcery.

Trample, indestructible
Whenever Etali, Primal Sickness deals combat damage to a player, they get that many poison counters.

Other Wolves and Werewolves you control get +1/+1.
Whenever Lord of the Ulvenwald attacks, add {R} or {G}. Until end of turn, you don't lose this mana as steps and phases end.
Nightbound

Menace

Trample
Whenever this creature transforms into Ravager of the Fells, it deals 2 damage to target opponent or planeswalker and 2 damage to up to one target creature that player or that planeswalker's controller controls.
At the beginning of each upkeep, if a player cast two or more spells last turn, transform Ravager of the Fells.

Trample
Other creatures you control get +1/+0.
Nightbound

Whenever a Wolf or Werewolf you control deals combat damage to a player, draw a card.
{X}{R}{G}: Target Wolf or Werewolf you control gets +X/+0 and gains trample until end of turn.
Nightbound

Trample
When Truga Cliffcharger enters the battlefield, you may discard a card. If you do, search your library for a land or battle card, reveal it, put it into your hand, then shuffle.

Whenever this creature transforms into Ulrich, Uncontested Alpha, you may have it fight target non-Werewolf creature you don't control.
At the beginning of each upkeep, if a player cast two or more spells last turn, transform Ulrich, Uncontested Alpha.