Testrona, the Light Eternal

Shadow
When Testrona, the Light Eternal deals combat damage to a player, reveal that many cards from the top of your library. You may put any number of dragons and/or creatures with shadow revealed in this way on to the battlefield. Put the rest on the bottom of your library in any order.
{w}: Testrona, the Light Eternal gets +1/+0 until end of turn.