4 cards where the text includes “hexproof” and (the cards are colorless or the colors is GW) and it’s legal in Standard

Eater of Virtue {1}

Legendary Artifact — Equipment

Whenever equipped creature dies, exile it.

Equipped creature gets +2/+0.

As long as a card exiled with Eater of Virtue has flying, equipped creature has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, protection, reach, trample, and vigilance.

Equip {1}

Illustrated by Tuan Duong Chu

Standard
Alchemy
Pioneer
Explorer
Modern
Brawl
Legacy
Historic
Vintage
Pauper
Commander
Penny

King Darien XLVIII {1}{G}{W}

Legendary Creature — Human Soldier

Other creatures you control get +1/+1.

{3}{G}{W}: Put a +1/+1 counter on King Darien and create a 1/1 white Soldier creature token.

Sacrifice King Darien: Creature tokens you control gain hexproof and indestructible until end of turn.

2/3

Illustrated by Donato Giancola

Standard
Alchemy
Pioneer
Explorer
Modern
Brawl
Legacy
Historic
Vintage
Pauper
Commander
Penny

Plaza of Heroes

Land

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast a legendary spell.

{T}: Add one mana of any color among legendary permanents you control.

{3}, {T}, Exile Plaza of Heroes: Target legendary creature gains hexproof and indestructible until end of turn.

Illustrated by Gabor Szikszai

Standard
Alchemy
Pioneer
Explorer
Modern
Brawl
Legacy
Historic
Vintage
Pauper
Commander
Penny

Walking Skyscraper {8}

Artifact Creature — Construct

This spell costs {1} less to cast for each modified creature you control. (Equipment, Auras you control, and counters are modifications.)

Trample

Walking Skyscraper has hexproof as long as it’s untapped. (It can’t be the target of spells or abilities your opponents control.)

8/8

Illustrated by David Auden Nash

Standard
Alchemy
Pioneer
Explorer
Modern
Brawl
Legacy
Historic
Vintage
Pauper
Commander
Penny

The message was clear to Sorin—time to search for something else.