Your search for "Zera Ritual SBC1-ENI19" revealed the following:
Zera Ritual - SBC1-ENI19 - Common - 1st Edition from Speed Duel: Streets of Battle City 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:This card is used to Ritual Summon "Zera the Mant". You must also Tribute...
Zera the Mant - SBC1-ENI13 - Common - 1st Edition from Speed Duel: Streets of Battle City 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:You can Ritual Summon this card with "Zera Ritual".