When Bladecoil Serpent enters the battlefield, for each
![](images/referenceimages/icons/magic_blue.png)
![](images/referenceimages/icons/magic_blue.png)
spent to cast it, draw a card.
When Bladecoil Serpent enters the battlefield, for each
![](images/referenceimages/icons/magic_black.png)
![](images/referenceimages/icons/magic_black.png)
spent to cast it, each opponent discards a card.
When Bladecoil Serpent enters the battlefield, for each
![](images/referenceimages/icons/magic_red.png)
![](images/referenceimages/icons/magic_red.png)
spent to cast it, it gets +1/+0 and gains trample and haste until end of turn.