You can't cast noncreature spells.
Whenever you cast a creature spell, copy it.

When The Whisper of Eltensia enters the battlefield, if you cast it from your hand and a permanent you controlled left the battlefield this turn, add {R}{R}{R}.
{2}{R}{R}: You may put a creature card from your hand onto the battlefield. That creature gains haste and “At the beginning of the end step, sacrifice this creature.”

{1}{R}: Thieving Catspaw dares 3.
Whenever Thieving Catspaw becomes a Rebel, you may discard a card. If you do, draw a card.

When Thornlasher Mortis enters the battlefield, mill two cards.
Whenever one or more cards leave your graveyard, create a 1/1 green Saproling creature token. This ability triggers only once each turn.

Flying
Ward—{2}, Pay 2 life.
Whenever you cast a noncreature spell, draw a card.

This spell costs {1} less to cast for each Elemental you control.
Haste

Multitude {5}{B}{G}
Trample
When Tugae Corpsemaker enters the battlefield, each opponent sacrifices a creature.

Multitude {5}{G}{G}
When Tugae Rallier enters the battlefield, create a 1/1 green Elf creature token. If you control five or more creatures, you may instead put a +1/+1 counter on each creature you control.

Trample
{1}{G}, Discard Twisted Deadwood: Reveal the top four cards of your library. Put a land card from among them into your hand and the rest into your graveyard.

As long as Undeniable Groove has power 4 or greater, it must be blocked if able.

Flying
Ward—Discard a card.
You have “Ward—Discard a card.”
At the beginning of your upkeep, your life total becomes equal to your devotion to black.

Indestructible
Equipped creature has indestructible as long as it's your turn.
Equip {1}
Spellcharge 5

When Unknowable Starspawn enters the battlefield, target opponent chooses two —
• You gain 4 life and that opponent loses 4 life.
• That opponent sacrifices a creature.
• That opponent discards a card.

Spellcharge 2
When Vanquished Conqueror dies, draw a card.

Whenever you cast a noncreature or Zombie spell, target player mills two cards.

Trample, haste
Solidarity
At the beginning of your end step, sacrifice Vukoroq Defector unless you sacrifice a token named Solidarity.

Waking Bog enters the battlefield tapped.
{T}: Add {B} or {G}.
{1}{B}{G}: Waking Bog becomes a black and green Elemental creature in addition to its other types until end of turn.
Whenever Waking Bog deals combat damage to an opponent, return target creature card from your graveyard to your hand.

Waking Vista enters the battlefield tapped.
{T}: Add {U} or {R}.
{1}{U}{R}: Waking Vista becomes a blue and red Elemental creature in addition to its other types until end of turn.
Whenever Waking Vista deals combat damage to an opponent, draw a card.

Trample
When Wallbreaker enters the battlefield, put a +1/+1 counter on up to one other target creature you control with trample. If you do, you may have that creature deal damage equal to its power to target creature or planeswalker you don't control.

When Wandering Hedge-Mage enters the battlefield, you may return target instant or sorcery card from your graveyard to your hand. If it had mana value 4 or greater, create a Treasure token.

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

Vigilance
{T}: Scry 1.
Spellcharge 5

Once each turn, when you cast an instant or sorcery spell, you may create a 1/0 blue Elemental creature token.
Elementals you control get +1/+1.
{2}{U}, Sacrifice an Elemental: Tap up to one target creature. Scry 1.

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

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.