snap mtg card Snapcaster Mage Magic the Gathering Proxy (You may cast that card from your graveyard for its flashback cost Snap | Magic The Gathering

When Purphoros enters the battlefield, your devotion to its color (including the mana symbols in the mana cost of Purphoros itself) will determine if a creature entered the battlefield or not for abilities that trigger whenever a creature enters the battlefield

Attacking a planeswalker or battle, however, won't cause anyone (your opponent or the planeswalker) to become afraid of you

As it is explained in this article posted on Daily MTG, the symbol with the T is the tap symbol from Revised through Fallen Empires and the one with the rectangle is the tap symbol from 4th Edition through Scourge

Introduces new leaders

We are living the late stage Card-pitalism in other TCGs where nobody is breaking sealed anymore because the contents of the cards is so unlikely to meet the cost of the market sealed product