According to MTG Head Designer Mark Rosewater, they wanted a mechanic that illustrates the villains' intelligence, that lets players scheme and plan ahead
Number 209 Language English Legal Formats Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Timeless, Vintage Not Legal Formats Alchemy, Pauper, Pioneer, Standard Rulings (9/22/2011) The creature that entered deals damage equal to its current power to the targeted permanent or player
As long as you can meet the cost, you may activate the ability
Orcish Oriflamme The mana cost was printed as 1R instead of the intended 3R
I think its so hard to get good advicenot due to the difficulty of processing informationbut because people looking at a decklist arent going to innately understand what your ideal game looks like at a glance