Mjolnir

Equipped creature gains +20/+20 for each
creature on the battlefield, First Strike, Trample, Lifelink, Indestructible, Defender, and Hexproof. equppied creature can block an additional 50 creatures each turn.
{u}{r}{t}Destroy target planeswalker, you gain life
equal to that planeswalkers loyalty
Equip {2}{u}{u}{r}{r}