In a blast from the past, WotC founder Peter Adkison shared this photo (courtesy Alex Kammer) of a press release from back in 1997, which surfaced while going through some old TSR files.
I don't even vaguely remember a BattleTech TCG.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.
(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.