Pin trading is the same way, as was Sorcerers of the Magic Kingdom
If is it 10 or 11 mana card then it is still the best of the Eldrazi but it is in the same sort of ballpark for being too powerful and slightly too hard to cast
Beta The hardest part is to distinguish Alpha and Beta
The other key pieces of the puzzle are spells that add mana, like Pyretic Ritual and Manamorphose, since they tick up your storm count higher and higher while not tying up your mana for the turn
TYPE Legendary Creature Angel Nightmare Avatar ABILITY Flying Super Nova As this creature transforms into Sephiroth, One-Winged Angel, you get an emblem with "Whenever a creature dies, target opponent loses 1 life and you gain 1 life." Whenever Sephiroth attacks, you may sacrifice any number of other creatures
This creature can't be the target of spells that can target only Walls or of abilities that can target only Walls