Shivan Dragon [Tenth Edition] XY131 You cannot Special Summon monsters

You cannot Special Summon monsters during the turn you activate this card

Set: Speed Duel: Match of the Millennium Card type: Effect Monster Rarity: Ultra Rare Attack: 100 Defense: 100 (Quick Effect): You can discard this card to the GY

LIGHT: Target 1 monster on the field

except "Ritual Beast Tamer Zefrawendi"

Shivan Dragon [Tenth Edition] XY131 You cannot Special Summon monstersSet: Tenth Edition Type: Creature Dragon Rarity: Rare Cost: {4}{R}{R} Flying (This creature can't be blocked except by creatures with flying or reach.) {R}: Shivan Dragon gets +1 +0 until end of turn. The undisputed master of the mountains of Shiv.