Scry 1. (Look at the top card of your library. You may put that card on the bottom.)
Draw a card.

Rapid Hybridization

Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.

Talrand, Sky Summoner

Whenever you cast an instant or sorcery spell, create a 2/2 blue Drake creature token with flying.

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)
Draw a card.

Draw two cards, then discard two cards. Untap up to three lands.

Whenever you cast a blue spell, target player mills two cards.