Danse Macabre I like these card designs like Danse Macabre where you can change the dice variance with in-game aspects
Not really, but the game is not over when my opponent drops a first turn Library of Alexandria if I run more than one Strip Mine
Even if you don't power up the Snake as fast as possible, it's a great way to maximize your mana efficiency, as any spare generic mana you can produce during your turn can be used to level up
To be rewarded for doing so is always appealing to me as just casting our commander instantly draws us a card regardless of resolution
Ajani can let you draw the top card of your deck, give creatures +1/+1 counters and vigilance, or give you an emblem that reads: Whenever you cast a creature or planeswalker spell, target opponent gets two poison counters. A player dies if they have ten poison counters, which means if you do manage to get that emblem, you only need to cast five more spells and the game is over