These guys are so incredibly knowledgeable
Oh, and your food, obviously
Retrieved May 23, 2015
Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Toolbox Notes and Rules Information for Cloud, Midgar Mercenary: Triggered abilities use the word "when," "whenever," or "at." They're often written as "[Trigger condition], [effect]." Some keyword abilities are triggered abilities and will have "when," "whenever," or "at" in their reminder text
And this makes many of them trivial from a complexity point of view
This effect is fantastic nowadays because tons of decks actually rely on the graveyard with Dragons Rage Channelers, Murktide Regents, Snapcaster Mages, Wrenn and Six and even reanimation strategies through Unburial Rite or Living End