Windfall

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

Confound

Counter target spell that targets a creature.
Draw a card.

Demonic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Darksteel Colossus

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Indestructible (Damage and effects that say "destroy" don't destroy this creature.)
If Darksteel Colossus would be put into a graveyard from anywhere, reveal Darksteel Colossus and shuffle it into its owner's library instead.

Swamp

An Offer You Can't Refuse

Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

Time Spiral

Exile Time Spiral. Each player shuffles their hand and graveyard into their library, then draws seven cards. You untap up to six lands.

Brainstorm

Draw three cards, then put two cards from your hand on top of your library in any order.

Memory Jar

{T}, Sacrifice Memory Jar: Each player exiles all cards from their hand face down and draws seven cards. At the beginning of the next end step, each player discards their hand and returns to their hand each card they exiled this way.

Show and Tell

Each player may put an artifact, creature, enchantment, or land card from their hand onto the battlefield.

Diabolic Tutor

Murderous Cut

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Destroy target creature.

Island

Duress

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.