It goes on the stack after you've drawn and looked at all the cards and finished resolving the spell or ability that caused you to draw them
Artifact Color tag templates(None) Decoction Module Whenever a creature you control enters, you get (an energy counter)
Mirrodin Soul Foundry Living Hive was the first creature to turn each point of combat damage done to a player into a creature token
Although these three are somewhat fair cards, WotC learned a lesson the hard way of not printing card draw in delve spells like Treasure Cruise, since those are really problematic
From aggressive creatures that can whittle down an opponent's life total to instants capable of countering spells, the types of cards a player chooses to include in their deck has a massive influence on their strategy and how they will try to win a game
The trouble is they generally end up killing me more often than my opponents ;P Pulling off a Global Ruin in my wubrg natural disaster deck, with five lands remaining