You arent giving away your mana base to your opponent when it enters, so thats a good start
Defense of the Heart is a four-mana card that tutors up any two creatures from the history of Magic
Throw in the transformation to Sephiroth, One-Winged Angel that provides a substantial sacrifice outlet/mass draw effect, and you have a nasty threat that might not break any creative metrics, but serves as the solid foundation from which to build your 99
It was that impressive an experience for me, and I just sat in the theater for at least five minutes after it concluded crying, not at sadness or happiness but just the majesty of the film
The first aims for an inexorable long game, carefully timing blink spells to safely reuse ETB effects, often countering single target removal or turning evenhanded board wipes into events where you come out far ahead of the rest of the table