Anubian World Breaker

Blitz - {4}{b} (If you play this card for its blitz cost, it
gains haste and "When this card enters the field,
untap up two Biome cards on the field." Sacrifice it at
the start of your next end phase.)
While you control this card, Trooper Being cards
you don't control have their original base defense
and cannot increase their defense.
{2}{b}: Target and destroy a Biome card
you don't control.