Flying
When Warcast Seraph enters, put a +1/+1 counter on each other artifact creature you control.

Flying, haste
Amity — Whenever you attack with Warden of Heart and exactly one other creature, you may put a legendary or Dragon card from your hand onto the battlefield tapped and attacking.

Flying
Amity — Whenever you attack with Warden of Soul and exactly one other creature, search your library for a legendary or Dragon card, reveal it, put it into your hand, then shuffle.

The first spell you cast during each of your turns costs {R}{G} less to cast.
You may play two additional lands on each of your turns.
Landfall — Whenever a land you control enters, you may exile the top three cards of your library. You may play those cards from exile as long as you control Warden of Tremors.

Flying
When Warden of Wishes enters, put three wish counters on it, then you gain 7 life.
Whenever you lose life, you may remove a wish counter from Warden of Wishes. If you do, put a card you own from outside the game into your hand.

Vigilance
{T}: Scry 1.
Spellcharge 5

Trample
Drop — When Wavelength Synchronizer enters, if you didn't cast any creature spells during your last turn, you gain 4 life.

Flash
Flying
When Whirring Inspector enters, target player reveals their hand. You may exile a nonland card from among them until your next turn. When you don't, exile up to one target nonland permanent that player controls until your next turn.

Whenever a creature entering the battlefield under your control causes an ability of a permanent you control to trigger, draw a card. This ability triggers only once each turn.

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

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, 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 tapped and attacking.
As long as Zenith Marshal is attacking, other creatures you control get +1/+0.

Flying
Amity — Whenever you attack with Zipping Lightningbug and exactly one other creature, target creature you don't control gets -2/-0 until end of turn.

Flash
{2}{B}, Discard Zyxthax Apex: Each opponent loses 3 life and you gain 3 life.
{6}{B}{B}: Return Zyxthax Apex from your graveyard to the battlefield tapped with a finality counter on it.