Even with several similar effects already out there, Kitsunes Technique is the lowest cost when Sneaking and is the only one to round up instead of down without being tied to an additional cost or being on a creature
They're all flexible and can fit in most decks of those colors, however, you have to cast them with mana in order to get their abilities, which is why they're lower on this list than they could be
Because there was so little blocking going on, and because the creatures were so aggressively costed (you won't see too many two power evasion creatures for two mana anymore much less having multiples in the common slots of each color), games tended to end on turn five
There are countless ways to benefit from having a full graveyard, like Anger or Phyrexian Delver
Take the great tree on the left
This can be somewhat effective in mono-blue where youll be drawing plenty of cards and may have excess mana to spend