Whipcorder

Sacrifice this creature: You gain 3 life.

All Sliver creatures get +1/+1.

All Slivers have shroud. (They can't be the targets of spells or abilities.)

Buyback 3 (You may pay an additional 3 as you cast this spell. If you do, put this card into your hand as it resolves.) Return target permanent to its owner's hand.

T: Add G for each Elf on the battlefield.

Sacrifice a creature: This enchantment deals 1 damage to any target.

This spell can't be countered. Protection from blue

Destroy target creature with mana value 3 or less. It can't be regenerated.