Storm Giant

Flash
When Storm Giant enters the battlefield tap two target creatures.
"More than a thunderstorm, a thunder-battle. You
know how terrific a really big thunderstorm can be
down in the land and in a river-valley; especially at
times when two great thunderstorms meet and clash.
More terrible still are thunder and lightning in the
mountains at night, when storms come up from East
and West and make war." - The Hobbit