Devoid When you cast this spell, exile target artifact, enchantment, or land. Reach {2}{C}, Sacrifice a land: Return World Breaker from your graveyard to your hand.
After the second main phase this turn, there's an additional combat phase followed by an additional main phase. At the beginning of that combat, untap all creatures that attacked this turn. Rebound
Flying, trample When Worldgorger Dragon enters, exile all other permanents you control. When Worldgorger Dragon leaves the battlefield, return the exiled cards to the battlefield under their owners' control.
As long as every card in your card pool started the game in your library or in the command zone, lands you control have "{T}: Add one mana of any color."
Worldsoul's Rage deals X damage to any target. Put up to X land cards from your hand and/or graveyard onto the battlefield tapped.
"Hoarding supplies, profiting from death and destruction, colluding with the invaders—every one of them betrayed Ravnica in its time of greatest need. They all deserved to die. And I'm not done yet!"
Trample When Worldspine Wurm dies, create three 5/5 green Wurm creature tokens with trample. When Worldspine Wurm is put into a graveyard from anywhere, shuffle it into its owner's library.
Exile target creature an opponent controls. That player reveals cards from their sideboard at random until they reveal a nonland card. They may cast that card without paying its mana cost.