Shock

Expedite

Target creature gains haste until end of turn.
Draw a card.

As an additional cost to cast this spell, discard a card.
Draw two cards.

When this creature enters, it deals 2 damage to target player or planeswalker.

Exile the top two cards of your library. Until the end of your next turn, you may play those cards.

{2}, {T}: Draw a card, then discard a card. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Creatures you control get +2/+0 until end of turn.

Target creature gets +3/+0 and gains first strike until end of turn. (It deals combat damage before creatures without first strike.)

Precision Bolt deals 3 damage to any target.

Flying
{R}: This creature gets +1/+0 until end of turn.

When this creature enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")