Whenever you draw, you gain 2 life, whenever an opponent draws, they lose 2
It gets removed from combat just like Kor Haven, and then you'll draw equal to the number of tapped dorks that just swung at you that could be loads
Lets get to it, starting with one of the most degenerate sets of all time: Urzas Saga Significant cards on the list: Argothian Wurm $3 Gaeas Cradle $70 Gilded Drake $30 Karn, Silver Golem $4 Lifeline $4 Lightning Dragon $3 Morphling $10 Serras Sanctum $20 Tolarian Academy $25 Temporal Aperture $2 Time Spiral $25 Yawgmoths Will $15 Of these, only three can fairly be called tournament staples: Gilded Drake, Serras Sanctum, and Time Spiral
If Wizards can program a bunch of cards for a throwaway weekend event on a lark, it seems very likely that a format like Pioneer could be fully implemented in a matter of months rather than years if Wizards wanted to
Each deck comes with 10 double-faced tokens to help you shore up your forces