Flash
Reach
Whenever a creature you don't control dies, exile it and create a 1/2 green Spider creature token with reach.

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.

Destroy target creature with power or toughness 2 or less.

Choose one —
• Create a token that's a copy of target token you control.
• Create a 1/1 white Spirit creature token with flying.

Prowess
Whenever you copy a spell, put a +1/+1 counter on Twincast Disciple.

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.

Whenever Unbreathing Surveyor deals combat damage to a player, draw a card.
Escape—{2}{U}{U}, Exile four other cards from your graveyard.

Target player reveals their hand. You choose a nonland card from it. That player discards that card.
Escape—{2}{B}, Exile five other cards from your graveyard.

Choose one —
• Return target creature card with mana value 2 or less from your graveyard to the battlefield.
• Exile target creature you control, then return it to the battlefield under your control.

Multitude {5}{U}{U}
Enchant player
At the beginning of each end step, enchanted player mills X cards, where X is the number of cards put into their graveyard from anywhere this turn.

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.

First strike, haste
Whenever a player pays an alternate cost, Unrivaled Slayer deals 3 damage to that player.

Whenever Vanguard Commander enters the battlefield or attacks, choose one —
• Create two 1/1 red Soldier creature tokens.
• Put a +1/+1 counter on Vanguard Commander.

Flying
Whenever you draw your second card each turn, create a 1/1 white Spirit creature token with flying.

Flying, lifelink
When Vengeful Whisper dies, create a white enchantment token named Memorial with “At the beginning of your upkeep, create a 1/1 white Spirit creature token with flying.”

Distribute eight +1/+1 counters among any number of target creatures you control.

{T}, Tap an untapped creature you control: Add one mana of any color.
As long as you're ancient, Vessel of the Wild gets +3/+1.

When Vibrant Vengeance enters the battlefield, all creatures get -2/-2 until of turn.
Whenever you tap a land for mana, add one mana of any type that land produced.

Whenever you cast a noncreature spell, put a +1/+1 counter on Vile Arcanist.

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

At the beginning of combat on your turn, creatures you control get +1/+0 and gain haste until end of turn.
At the beginning of combat on your turn, if you're ancient, up to one target land you control becomes a 4/4 green Elemental creature until end of turn. It's still a land.

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 Boneyard enters the battlefield tapped.
{T}: Add {W} or {B}.
{3}{W}{B}: Waking Boneyard becomes a white and black Elemental creature in addition to its other types until end of turn.
When Waking Boneyard dies, if it's a creature, create two 1/1 white Spirit creature tokens with flying.

Waking Crag enters the battlefield tapped.
{T}: Add {R} or {W}.
{2}{R}{W}: Waking Crag becomes a red and white Elemental creature in addition to its other types until end of turn.
Whenever Waking Crag attacks, creatures you control get +1/+0 until end of turn.

Waking Glen enters the battlefield tapped.
{T}: Add {G} or {U}.
{4}{G}{U}: Waking Glen becomes a blue and green Elemental creature in addition to its other types until end of turn.
Whenever Waking Glen deals combat damage to a player, untap each land you control.