Magneto, Mutant Liberator

Flying, Menace, Vigilance, Haste, Partners with Professor X, Mutant Leader

Mutants you control enter the battlefield with Haste and 2 +1/+1 counters.

Liberate the Mutants, {w}{b}{r}: Until end of turn, all mutants you control cannot be blocked and at the end of the turn, reveal X cards from the top of your library where X is the number of mutants you control, and add two of them to your hand, shuffle the rest of them into your library.