Elvish Piper I

Sacrifice a creature: Add one mana of any color.

Play with your hand revealed. If you would draw a card, reveal the top card of your library instead. If it's a creature card, put it into your graveyard. Otherwise, draw a card. Whenever a creature is put into your graveyard from the battlefield, return it to your hand.

Whenever a creature enters, that creature's controller may have it deal damage equal to its power to any target of their choice.

, : You may put a creature card from your hand onto the battlefield.

Flash (You may cast this spell any time you could cast an instant.) When this creature enters, untap another target creature you control.