Glaedr, All-Father

Flying, Indestructible, Split second, Hexproof
{w}{u}{b}{r}{g}{t}: look at the top ten cards of your library. Put all dragon cards from among them on
the battlefield, you lose 1 life for each card.
Pay 2 life: Put a 1/1 red Dragon creature token
with haste on the battlefield.
{x}{x}{t}: Sacrifice X Dragons: Search your library
for X cards with converted mana cost X or less.
You may cast them without paying their costs.