Meet my custom curated Seams Sew Me Wonderful Artist's Pallett Collection! I have selected three neutral and three bold Efina threads perfect for your English Paper Piecing. 
 
It is a 60 wt 2 ply 100% Egyptian Cotton, made exclusively from 100% Giza 88- the highest calliber extra long stable Egyptian Cotton. Fibres spun with Giza 88 are prized for their extreme softness, strength and unparalleled lustre. Uniformity in diameter makes Efina the perfect choice for EPP and hand applique. This collection comes on 150m handy spools. 
 
Colors in the set are:
EF50 Parchment
EF03 Fog
EF02 Latte
EF46 Mango
EF47 Pumpkin
EF07 Oceanfront