The List

Name	Collector Number
Soul's Attendant (2 variants)	ROE-44
Soulcatchers' Aerie	JUD-25
Souldrinker	TMP-158
Soulfire Grand Master	FRF-27
Soulmender	M15-35
Spark Double	WAR-68
Spark Reaper	WAR-106
Sparkmage Apprentice	DDN-48
Sparksmith	ONS-235
Sparkspitter	UMA-149
Sparktongue Dragon	M19-159
Sparring Mummy	AKH-29
Spawning Grounds	C18-163
Spawning Pit	TD2-69
Spawnwrithe	CMD-171
Speaker of the Heavens	M21-38
Specimen Collector	MH2-64
Spectral Force	TSP-217
Spectral Gateguards	DDQ-19
Spectral Procession	SHM-23
Spectral Sailor	M20-76
Spectral Sliver	LGN-83
Spell Snare	DIS-33
Spell Swindle	XLN-82
Spellbook	10E-343
Spellbound Dragon	ARB-90
Spellshock	EXO-104
Spellstutter Sprite	LRW-89
Spelltithe Enforcer	GPT-18
Spellweaver Volute	FUT-59
Sphinx of the Second Sun	CMR-99
Sphinx's Revelation	RVR-228
Sphinx's Tutelage	ORI-76
Spider Spawning	CMA-149
Spidersilk Armor	MMQ-273
Spike Colony	STH-117
Spike Feeder	TSB-84
Spike Weaver	EXO-128
Spikeshot Goblin	A25-152
Spiketail Drake	PCY-48
Spin into Myth	ARC-8
Spined Fluke	USG-160
Spined Megalodon	M21-72
Spined Thopter	NPH-45
Spinerock Knoll	DSC-300
Spinerock Knoll	C20-316
Spire Monitor	MM3-52
Spirit en-Dal	FUT-17
Spirit Link	10E-45
Spirit Mantle	M12-35