If there are additional costs to cast a spell, or if the cost to cast a spell is increased by an effect (such as the one created by Thalia, Guardian of Thraben's ability), apply those increases before applying cost reductions
Abilities that trigger whenever a creature attacks won't trigger, including the myriad ability of the tokens
First, it's no fun being scared off from something with too detailed an explanation before giving it a try yourself
Your 1~4 star monsters in your hand can be applied in a single turn to lead to quick extra deck plays or you can bounce off your first summon for Overdrive Teleporter who can use it's effect for one psychic counter instead of 2000 life points
Why Are Pokmon So Popular
You flip a coin each upkeep and take 3 damage on a loss, but that drawback rarely matters when youre two turns ahead of the table