Understanding MTG Shroud is important for players
It also shuts down flashback cards and other ways of casting from the graveyard, like with the trigger from Diluvian Primordial, as well as exile
To progress to the next level, you just need to pay the mana cost (as a sorcery) indicated at the top of each section to gain or trigger that effect
The alt-art Charizard VSTAR and Mewtwo VSTAR show the Generation 1 Pokmon dueling, each one from a different perspective of the same battle
Most notably, if a triggered ability asks its controller to pay a cost, you pay that cost for the copies if you wish to have it paid
: Sac a creature, draw cards equal to its power and life equal to its toughness, at instant speed