194 cards found matching energy cost is at least 5

Solari Chief
Soulgorger
Soul Shepherd
Spectral Centaur
Sprite Burst
Sprite Queen
Starhound
Stormbringer
Stormclaw Ursine
Syndra, Transcendent
Targonian Visionary
Tasty Faefolk
The Harrowing
Thermo Beam
The Ruination
Thousand-Tailed Watcher
Tianna Crownguard
Tibbers
Time Warp
Towering Pairofant
Trove Golem
Tryndamere, Barbarian
Udyr, Wildman
Ultrasoft Poro