Ikoria: Lair of Behemoths

Keruga, the Macrosage | Legendary Creature | Dinosaur Hippo | Companion — Your starting deck contains only cards with mana value 3 or greater and land cards. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} any time you could cast a sorcery.) When Keruga, the Macrosage enters the battlefield, draw a card for each other permanent you control with mana value 3 or greater. | Dan Scott

Quartzwood Crasher | Creature | Dinosaur Beast | Trample Whenever one or more creatures you control with trample deal combat damage to a player, create an X/X green Dinosaur Beast creature token with trample, where X is the amount of damage those creatures dealt to that player. | Antonio José Manzanedo

Jegantha, the Wellspring | Legendary Creature | Elemental Elk | Companion — No card in your starting deck has more than one of the same mana symbol in its mana cost. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} any time you could cast a sorcery.) {T}: Add {W}{U}{B}{R}{G}. This mana can't be spent to pay generic mana costs. | Chris Rahn