Ikoria: Lair of Behemoths

Aegis Turtle | Creature | Turtle | | Milivoj Ćeran

Crystacean | Creature | Crab | Flash | Mathias Kollros

Dreamtail Heron | Creature | Elemental Bird | Mutate {3}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Flying Whenever this creature mutates, draw a card. | Caio Monteiro

Facet Reader | Creature | Human Wizard | {1}, {T}: Draw a card, then discard a card. | Matt Stewart

Frost Lynx | Creature | Elemental Cat | When Frost Lynx enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step. | Ilse Gort

Glimmerbell | Creature | Elemental Jellyfish | Flying {1}{U}: Untap Glimmerbell. | Simon Dominic

Phase Dolphin | Creature | Elemental Whale | Whenever Phase Dolphin attacks, another target attacking creature can't be blocked this turn. | Lie Setiawan

Thieving Otter | Creature | Otter | Whenever Thieving Otter deals damage to an opponent, draw a card. | Jakub Kasper

Wingfold Pteron | Creature | Dinosaur | Wingfold Pteron enters the battlefield with your choice of a flying counter or a hexproof counter on it. (A creature with hexproof can't be the target of spells or abilities your opponents control.) | Johann Bodin