These cards have become so popular in Magic that theyve been reprinted in several greatest hits sets over the years, including Masters sets and preconstructed Commander decks
pokebeach.comDisclaimer: I know a Zekrom article was recently posted on here, but Id already started this a while ago and as you can probably tell, its very in-depth so I still wanted to get it out as I feel its the deck I could write about the most from my own experiences

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The Darkness Crystal is fine and might actually be a funny sideboard card against the sacrifice decks because it turns off death triggers, but its usually not worth the mana investment
She depletes our own too, but since we're a Lifegain deck we can keep our life total much higher than our opponents so it's irrelevant, plus she can gain us life thanks to being a 5/5 flyer with lifelink
He's going against Pegasus to save his brother, not so he can win some silly prize