The result of the coin-flip matters, but Mana Crypt's obviously operating in a completely different space from most other coin-flip cards
No catches, no benefits for other players, just a nice, clean card draw
Gaining life can prevent you from losing the game, but it rarely helps you win it
Cards like Phytotitan, Malignus, and Daemogoth Titan are all great targets to be sacrificed to Ziatora in order to deal some real damage, The treasures generated by Ziatora also enable you to work some artifact synergies into your deck, or even pull off a Revel in Riches win
There's a wide variety of instants, sorceries, and even cards that interact with a few specific mechanics that will help you get ahead in card advantage, the iconic concept Magic: The Gathering players constantly look for