Ninja Teens first level pings each opponent for one damage every time one of your creatures leaves the battlefield, so that includes death and also blink effects like the new Sneak mechanic (you return an unblocked attacker to your hand and pay a Sneak cost to cast a spell)
However, with the rise of digital Magic and the introduction of Alchemy, some of these principles have shifted
The same thing happened with the good guys, the Pokmon professors
Brawl Legal Vintage Legal Timeless Legal Commander Legal/GC Pauper Not Legal Oathbreaker Legal Penny Not Legal On the Commander Game Changer list (view all) Toolbox Buy This Card Notes and Rules Information for Enlightened Tutor: The "shuffle and put the card on top" is a single action
At five creatures, you are ramping up in mana more than practically any other land
TCGs are a lot of fun, but they can be a little intimidating in terms of just how much is going on and what mechanics need to be properly understood