Nostalgic Reminiscing

Draw two cards, then discard a card.
If {b} was spent to cast this spell, return up to one
card from from your graveyard to your hand and
lose 2 life. If {w} was spent to cast this spell, gain
1 life for each card in your hand.
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Vendris was convinced he would love to explore this
new world, but the further he walked, the more he
missed his own.