Artifact Generator

At the beginning of your upkeep, before untap and draw, flip the top card of your library, you may play it without paying it's mana cost, if you do and it's a trap card choose one. Transform it, make a copy of it, search your library for any number of copies and add it to your hand. Your opponent may pay {3} to negate the chosen ability, if he does, add a counter to Artifact Generator. When artifact generator has 4 counters, counter the first card played by your opponent each turn.