When the trigger condition is met, the ability goes onto the stack
"At the time, the deck was insurmountably strong, easily the best thing to be playing, and rendered games trivial and uninteresting." According to longtime players, this card and the decks built around it hit Nineties Magic like a bomb
Not only is the creature itself reasonably costed, it comes with anything you need to close the gap between you and your opponent
A new co-op game called Illumineers Quest: Deep Trouble replaces the Gift Set in this release
This list of MTG Arena codes can help you out with that
Necropotence essentially, at the very low cost of 'cards that are discarded get exiled', swaps your regular draw phase for 'pay X life, draw X cards next turn'