Including a certain big beast that’s Legendary!

RD/LGP1-JP002 百獣王 ベヒーモス Animal King Behemoth (Behemoth the King of All Animals)
Level 7 EARTH Beast Legend Effect Monster
ATK 2700
DEF 1500
This card can be Tribute Summoned in Attack Position by Tributing 1 monster. If you do, this card’s original ATK becomes 2000.
[REQUIREMENT] You can activate this during the turn this card is Normal Summoned.
[EFFECT] You can choose Beast monsters in your GY [equal to the number of monsters Tributed when this card was Normal Summoned] and add them to the hand.

RD/LGP1-JP003 グレートホーン・マンモス Greathorn Mammoth (Great-Tusked Mammoth)
Level 7 EARTH Beast Effect Monster
ATK 2500
DEF 1500
[REQUIREMENT] You can activate this during the turn this card is Normal Summoned by sending the top card of your Deck to the GY.
[EFFECT] Until the end of your opponent’s next turn, while this card is face-up, neither player can activate the effects of face-up Level 4 or lower monsters.

RD/LGP1-JP020 素早いレミング Subayai Lemming (Nimble Lemming)
Level 2 EARTH Beast Effect Monster
ATK 900
DEF 100
[REQUIREMENT] During the turn this card is Normal Summoned, if your opponent controls a monster, you can activate this.
[EFFECT] Send the top 3 cards of your Deck to the GY. Then, you can choose 1 “Nimble Lemming” sent to the GY by this effect and Special Summon it to your field face-up.

RD/LGP1-JP041 フラパン Flappun
Level 1 EARTH Beast Effect Monster
ATK 700
DEF 200
[REQUIREMENT] If you control another face-up Beast monster, you can activate this by placing 1 Beast monster in your GY on top of the Deck.
[EFFECT] Choose 1 face-up monster your opponent controls, it loses 400 ATK until the end of the turn.

RD/LGP1-JP023 大行進前夜 Daikoushin Zenya (Eve of The Big March)
Normal Spell Card
[REQUIREMENT] You can activate this by revealing 1 Level 7 or higher Beast monster in the hand to your opponent.
[EFFECT] Excavate the top 3 cards of your Deck. Choose up to 2 Level 4 or lower Beast monsters among them and Special Summon them to your field face-down. Send the remainder to the GY.

Source

RD/LGP1-JP030 Alligator’s Sword (Reprint)

RD/LGP1-JP046 Rage of the Wild Beasts (Reprint)