Mass enchantment reanimation like Replenish, Open the Vault or Renewed Faith, cost-altering enchantments like Omniscience, Dream Halls or One with the Multiverse, and one-off freecasting effects like Academy Rector, Lost Auramancers, or Show and Tell each have their strengths wed like to play all of them
Memory Deluge is a brilliant card draw spell that serves as a valuable tool for both slower, controlling decks, and combo decks like Temur Landfall that need to dig for their pieces
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Yes, but you also need to discard your hand
We are now pretty comfortably at the point where there are enough graveyard synergies on the go that all decks will make some use of them and those that fail to do so are wasting resources
Most of your frosty forces will be overlooked while the -X/-X effect, which gets around Indestructible, Regeneration, and Protection abilities, whittles away at enemy armies