Bloomburrow

Mockingbird | Creature | Bird Bard | Flying You may have Mockingbird enter the battlefield as a copy of any creature on the battlefield with mana value less than or equal to the mana spent to cast Mockingbird, except it is a Bird in addition to its other types and has flying. | Aurore Folny

Portent of Calamity | Sorcery | | Reveal the top X cards of your library. For each card type, you may exile a card of that type from among them. Put the rest into your graveyard. You may cast a spell from among the exiled cards without paying its mana cost if you exiled four or more cards this way. Then put the rest of the exiled cards into your hand. | Sam Guay

Stormchaser's Talent | Enchantment | Class | (Gain the next level as a sorcery to add its ability.) When Stormchaser's Talent enters, create a 1/1 blue and red Otter creature token with prowess. {3}{U}: Level 2 When this Class becomes level 2, return target instant or sorcery card from your graveyard to your hand. {5}{U}: Level 3 Whenever you cast an instant or sorcery spell, create a 1/1 blue and red Otter creature token with prowess. | Christina Kraus