unleash

[v] - release from a leash, as of dogs 2. [v] - turn loose or free from restraint 3. [v] - release or vent, as of emotions and reactions
Found on http://www.webdictionary.co.uk/definition.php?query=unleash

Unleash

• (v. t.) To free from a leash, or as from a leash; to let go; to release; as, to unleash dogs.
Found on http://thinkexist.com/dictionary/meaning/unleash/

unleash

loose verb turn loose or free from restraint; `let loose mines`; `Loose terrible plagues upon humanity`
Found on https://www.encyclo.co.uk/local/20974

Unleash

A player may choose to have a creature with unleash enter the battlefield with a +1/+1 counter on it. If a creature with unleash has a +1/+1 counter on it (whether put there by its own ability or another source), that creature can't block. Unleash appears on red and black cards of the Rakdos guild in Return to Ravnica.
Found on http://en.wikipedia.org/wiki/List_of_Magic:_The_Gathering_keywords#Typecycl
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