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

Lightning-Core Excavator

{5}, {T}, Sacrifice this creature: It deals 3 damage to any target.

Shipwreck Dowser

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
When this creature enters, return target instant or sorcery card from your graveyard to your hand.

Vodalian Arcanist

{T}: Add {C}. Spend this mana only to cast an instant or sorcery spell.

Archaeomender

When this creature enters, return target artifact card from your graveyard to your hand.

Erratic Visionary

{1}{U}, {T}: Draw a card, then discard a card.

Scholar of the Lost Trove

Flying
When this creature enters, you may cast target instant, sorcery, or artifact card from your graveyard without paying its mana cost. If an instant or sorcery spell cast this way would be put into your graveyard, exile it instead.

Talrand's Invocation

Create two 2/2 blue Drake creature tokens with flying.

Thirst for Knowledge

Draw three cards. Then discard two cards unless you discard an artifact card.

Sage's Row Savant

Island

Frost Breath

Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.

Exclusion Mage

When this creature enters, return target creature an opponent controls to its owner's hand.

Meteor Golem

When this creature enters, destroy target nonland permanent an opponent controls.

Ancestral Statue

When this creature enters, return a nonland permanent you control to its owner's hand.

Befuddle

Target creature gets -4/-0 until end of turn.
Draw a card.

Hedron Archive

{T}: Add {C}{C}.
{2}, {T}, Sacrifice this artifact: Draw two cards.

Aether Spellbomb

{U}, Sacrifice this artifact: Return target creature to its owner's hand.
{1}, Sacrifice this artifact: Draw a card.

Buried Ruin

{T}: Add {C}.
{2}, {T}, Sacrifice this land: Return target artifact card from your graveyard to your hand.

Read the Tides

Choose one —
• Draw three cards.
• Return up to two target creatures to their owners' hands.

Winged Words

This spell costs {1} less to cast if you control a creature with flying.
Draw two cards.

Chromatic Sphere

{1}, {T}, Sacrifice this artifact: Add one mana of any color. Draw a card.

Talrand, Sky Summoner

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

Thriving Isle

This land enters tapped. As it enters, choose a color other than blue.
{T}: Add {U} or one mana of the chosen color.

Wizard's Retort

This spell costs {1} less to cast if you control a Wizard.
Counter target spell.

Juggernaut

This creature attacks each combat if able.
This creature can't be blocked by Walls.