Trumpet Blast

Attacking creatures get +2/+0 until end of turn.

Electrify

Lightning Strike

1R

Act of Treason

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. (It can attack and {T} this turn.)

Shock

Shock deals 2 damage to any target.

Meteor Golem

When Meteor Golem enters the battlefield, destroy target nonland permanent an opponent controls.

Hostile Minotaur

Haste (This creature can attack and {T} as soon as it comes under your control.)

Shivan Dragon

Flying (This creature can't be blocked except by creatures with flying or reach.) {R}: Shivan Dragon gets +1/+0 until end of turn.

Volcanic Dragon

Flying (This creature can't be blocked except by creatures with flying or reach.) Haste (This creature can attack and {T} as soon as it comes under your control.)