When Widowed Maiden enters the battlefield, return target creature card from your graveyard to your hand.
Spellcharge 3

Menace
When Wildcaster Ogre enters the battlefield, exile an instant or sorcery card from your graveyard at random. You may cast a copy of that spell without paying its mana cost.

Multitude {4}{G}{G}
Whenever a token enters the battlefield under your control, put a +1/+1 counter on Wildcourt Conserver.

Haste
When Wildfang Cavalier dies, create a 3/1 red Dinosaur creature token. It gains haste until end of turn. If it's your combat phase, there is an additional combat phase after this phase.

Flying, vigilance
{W}, {T}: Tap target creature.

As long as you control four or more lands with different names, Worldtreader Beast can't be blocked by creatures with power 2 or less.

When Worshipped Diva enters the battlefield, if a creature died this turn, create a 2/1 red Zombie creature token with menace.

Whenever your Champion attacks, Xarr's Mockery gains indestructible until end of turn.

At the beginning of combat on your turn, you may integrate another creature you control. If you don't, tap Xavvac, Corrupter Core.
Permanents you control with cards integrated onto them have lifelink and deathtouch.

Whenever you cast a spell that targets Zenith Marshal, create a 1/1 white Human creature token. If Zenith Marshal is attacking, that token enters the battlefield tapped and attacking.
As long as Zenith Marshal is attacking, other creatures you control get +1/+0.

Whenever a creature you control becomes a Rebel, Zolo's Right Horn deals 2 damage to each opponent.
{3}{R}: Zolo's Right Horn dares 5.