Tidewake Walker enters with a hexproof counter on it.

When Towering Sentinel enters, for each kind of counter among permanents you control, put a counter of that kind on Towering Sentinel, then add {G} or {U}.

{1}, Remove a +1/+1 counter from Traveler of Dawn: Exile target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Whenever Twilight Vagabond attacks, put a +1/+1 counter on it.
Cybersoul {2}{W}

Flying
Whenever this creature becomes tapped, surveil 1. If it isn't attacking, surveil 2 instead.

[+2]: Create a colorless artifact token named Potion with “Sacrifice this artifact: Put two +1/+1 counters on target creature. Activate only as a sorcery.”
[–3]: You gain 8 life.
[0]: Remove all loyalty counters from Vasilisa, Helping Hand, then transform her.

As this permanent transforms into Vasilisa, Waging War, it becomes your choice of a 7/7 Hydra with trample, a 6/5 Kraken with hexproof, or a 5/6 Spider with vigilance, reach, and deathtouch.

When this creature enters, you may sacrifice another creature. If you do, create a number of Treasure tokens equal to that creature's power.

When Wayward Drek enters, create a 1/1 colorless Cyborg artifact creature token.
Cybersoul {3}{W/B}

{3}: Whispering Runt gets +1/+1 until end of turn. If you spent at least {U}{R}{W} to activate this ability, you may transform Whispering Runt.

Target creature you control has base power and toughness 4/4 until end of turn.

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

Menace
Cybersoul {3}{B}

Trample
Whenever Wolf-Whistle Satyr deals combat damage to a player or planeswalker, you may sacrifice it. If you do, bless target creature you control.

Ward—Pay 2 life.
Whenever Zygos attacks, bless target legendary creature you control.