Eternal Weekend

Instant

You may return two Islands you control to their owner's hand rather than pay this spell's mana cost.
Draw two cards.

Gush

Preponderant Pearl

Sorcery

Look at the top three cards of your library, then put them back in any order. You may shuffle.
Draw a card.

Ponder

({U/P} can be paid with either {U} or 2 life.)
Counter target spell with mana value 1.

Mental Misstep

Creature — Human Shaman

Whenever you cast a noncreature spell, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)
Delirium — As long as there are four or more card types among cards in your graveyard, this creature gets +2/+2, has flying, and attacks each combat if able.

Dragon's Rage Channeler

As an additional cost to cast this spell, sacrifice an artifact.
Search your library for an artifact card, put that card onto the battlefield, then shuffle.

Tinker

As an additional cost to cast this spell, sacrifice a land.
Search your library for a land card, put that card onto the battlefield, then shuffle.

Crop Rotation

Target player loses 2 life and you gain 2 life.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Tendrils of Agony

Artifact

As long as this artifact is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost {1}{B} to cast costs {2}{B} to cast instead.)

Trinisphere

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Draw three cards.

Treasure Cruise

Return up to three target land cards from your graveyard to your hand.
Dredge 3 (If you would draw a card, you may mill three cards instead. If you do, return this card from your graveyard to your hand.)