Call of the Herd (Grand Prix) [Grand Prix Promos] Human Shaman this effect becomes that Trap

this effect becomes that Trap Card's effect when that card is activated

Must first be Special Summoned (from your Deck) by Tributing "Red-Eyes B

Set: Expedition: Base Set Type: Fighting Rarity: Rare Retreat cost: Colorless

so does the Nightmare's rage and terrifying strength

You can only use each of the following effects of "Ravenous Crocodragon Archethys" once per turn

Call of the Herd (Grand Prix) [Grand Prix Promos] Human Shaman this effect becomes that TrapSet: Grand Prix Promos Type: Sorcery Rarity: Rare Cost: {2}{G} Create a 3 3 green Elephant creature token. Flashback {3}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)