Jeskai Overlord

When Jeskai Overlord enters the battlefield,
search your library for 5 cards and put them in
your hand. Their converted mana cost turns to
0 and they gain flash. They do not add to your
maximum hand size.
When a permanent enters the battlefield, put a
+X/+X counter on Jeskai Overlord where X is
the written mana cost of that card.
{11}{w}{w}{u}{u}{r}{r}: Proliferate, then proliferate
again, then proliferate again.
Protection from everything