Mysterious Trader Kagero

At the beginning of your upkeep roll a dice if the
result is 1 or 2 draw a card, if the result is 3 or 4
draw 2 cards and if the result is 5 or 6 draw 3
cards.
{w}{g}: Search your library for a Potion, put it in
your hand, then shuffle your library.
{2}{w}{g}: Search your library for a Mega Potion,
put it in your hand, then shuffle your
library.