Blustering Barnyard (Unknown Event RL01d) - Rare Magic: The Gathering Card

Storm (Pretend it works on a land.)
: Add one mana of any color and lose life equal to the number of barnyards you control.
Channelstorm — , Discard this card: Choose worth of modes equal to the number of spells that have been cast this turn.
— Create a 1/1 white Bird token with flying.
— Create a 2/2 white Horse token with horsemanship.
— Create a 3/3 green Ox token with trample.