Here is one decklist I decided to check when I heard it was mentioned in the coverage of Grand Prix Brussels that has been doing well in the top tables of the tournament. We know that God-Pharaoh’s Gift is just mainly Blue White but this list below took the Sultai route with access to powerful Green spells that are good GPG targets as well: Jadelight Ranger and Verdurous Gearhulk.

Here is the decklist below:

Lands
4 Aether Hub
4 Blooming Marsh
4 Botanical Sanctum
3 Forest
4 Ipnu Rivulet
2 Island
1 Hinterland Harbor
1 Swamp

Spells
4 Gate to the Afterlife
2 God-Pharaoh’s Gift

Creatures
3 Glint-Nest Crane
3 Hostage Taker
4 Champion of Wits
2 Jadelight Ranger
4 Llanowar Elves
4 Merfolk Branchwalker
2 Minister of Inquiries
1 Thrashing Brontodon
4 Verdurous Gearhulk
4 Walking Ballista

Sideboard
3 Aethersphere Harvester
1 Glint-Nest Crane
1 Hostage Taker
3 Jace’s Defeat
2 Manglehorn
2 Negate
1 Thrashing Brontodon
2 Vivien Reid

Source: https://www.mtggoldfish.com/archetype/standard-sultai-gpg#paper