Core of the World

All Fire Dragons you control get +9/+9
All Black Creatures get -2/-2
All Creatures with flying get Trample and
"{t}: Destroy target land"
Sacrifice Animus Crystal: Search deck for
a card named Black Hole. Replace Core
of the World with Black Hole.
{b}{r}{r} Magnetic Flux: Destroy target nonred creature.
How do you even get there?