But with great power, comes great
Going straight from 3 mana to 6 the next turn after you play a land lets you rocket out some terrifying beaters like Hellkite Tyrant and Ancient Copper dragon quite early, and you can run blacks cheap graveyard tutoring like Buried Alive or Entomb to gain easy access to a variety of threats
Or you can use the standard combo with [casthaven]Karakas[/casthaven] to lock your opponents out of drawing anything good for the rest of the game
There are a ton of ways to maximize the mana generation of this card (cough elves), and the massive mana income you get from Gaeas Cradle can be used to fuel your swarm or to bring out big spells or giant monsters that green loves so much
Creature - Wizard Zombie Jace Reawakened You can't cast Jace Reawakened during your first, second, or third turns of the game
Portable Hole was selected over other removal options because its another answer to indestructible threats such as Adantos Vanguard out of decks like RW Heroic