A variety of easier to keep corals. Lots of contrasting colors and growth patterns. Possibilities include:
Forest Fire Digi
Hawkins Echinata
Orange Monti Setosa
Pink Birdsnest
Green Birdsnest
Purple Milka Stylo
Green Slimer Acropora
Orange monti cap
Meteor Cyphastria
WWC Bizzaro Cyphastria
Sunking sammacora
PC Rainbow Acropora
Red Robin Acropora
Green Pavona Chip
John Deere Lepto
Mystic Sunset Encrusting Monti