2006: Dread Return from Time Spiral At first glance, Dark Depths seems like the easy pick for most broken card of 2006, considering its power in Legacy and its ability to make a 20/20 indestructible flying Marit Lage token as early as Turn 2
Spinning Wheel Kick and Setessan Tactics are multi-target fight and 'bite' spells that can force the issue
These are the most difficult to come by and are often game-changing
I also think a good rule of thumb for this format is to have at least six, if not more, two-drops - whether they be creatures like Thought Shucker or removal spells like Savor
Many people in my playgroups built Tamiyo, Inquisitive Student on release, because they love Tamiyo as a character
Mana from Interdimensional Web Watch's last ability may be spent on any spells cast from exile, not just spells cast from exile via its first ability