How to play MTG: The play area Before you can play Magic, you need to know where your cards go
If Polukranos, Engine of Ruin and other nontoken Hydras you control die at the same time, Polukranos's triggered ability will trigger once for itself and once for each of those other Hydras
On top of that, your newly gained life allows you to replay the things that died
it offers you so much value that it's best to think of it as an enchantment that costs no mana, at the expense of skipping a land-drop for the turn
You can increase your speed on the same turn that you set speed at 1 from 0, so its likely that you can ensure you draw 2 at the endstep the turn you play this, which is a pretty good rate all things considered
In 2006 I was the New York State Champion, coming off my best individual Pro Tour performance (had it been an individual event I would have made Top 8), and a seemingly endless stream of tournament-effective deck ideas