Spell Pierce

Counter target noncreature spell unless its controller pays {2}.

Rewind

Counter target spell. Untap up to four lands.

Triskaidekaphile

You have no maximum hand size.
At the beginning of your upkeep, if you have exactly thirteen cards in your hand, you win the game.
{3}{U}: Draw a card.

Counterspell

Jeskai Elder

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever Jeskai Elder deals combat damage to a player, you may draw a card. If you do, discard a card.

Unsummon

Return target creature to its owner's hand.

Peek

Look at target player's hand.
Draw a card.

Mind Control

Enchant creature
You control enchanted creature.

Prodigal Sorcerer

{T}: Prodigal Sorcerer deals 1 damage to any target.

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