This effect isnt once per turn, so as long as you have Magnet Warrior monsters in the Graveyard, you can destroy as many cards as you want
Building on the celebration of the 30th anniversary of Pokmon, on February 20, fans can pick up Pokmon TCG: Mega Evolution Ascended Heroes Elite Trainer Box and Pokmon TCG: Mega Evolution Ascended Heroes Pokmon Center Elite Trainer Box
Special Summon this card in Defense Position as a Normal Monster (Warrior/DARK/Level 3/ATK 0/DEF 300) (this card is NOT treated as a Trap), then you can change 1 Attack Position monster your opponent controls to Defense Position
Then flash it out when our foe is about to draw two on the stack
Thunderforce Attack EGS1-EN003 (YuGiOh Egyptian God Deck: Slifer the Sky Dragon | YuGiOh Cards) prices are based on the historic sales
These prices are quite a drop from when they first released, turns out some deleted scenes were meant to be cut