Sylvan Visions 2GG
Enchantment
When ~ comes into play, draw a card for each creature you control.
Whenever a creature is put into your graveyard from play, discard a card.
Twilight's Bane 2BB
Enchantment
When ~ comes into play, target opponent discards his or her hand.
Whenever an opponent plays a spell, that player draws a card.
...I can't think of how to fill out the cycle. Hum.