Hey guys, checkout Nami over on the league of legends site.
Here is Nami’s abilities, looks pretty cool for all you support lovers!
Surging Tides (Passive): Allied champions affected by Nami’s abilities have their movement speeds increased for a short duration.
Aqua Prison: Nami sends a bubble of water into the air to a targeted location that deals magic damage and displaces enemies hit by the bubble.
Ebb and Flow: Unleashes a surge of water that can target an enemy or allied champion. The water can bounce from champion to champion and deals magic damage to enemy champions and heals allied champions.
Tidecaller’s Blessing: Nami buffs an allied champion, adding extra magic damage and a slow to their attacks.
Tidal Wave: Nami summons a massive Tidal Wave from her position. The wave deals magic damage and slows all enemy units it passes through. Enemies closest to the initial spawn point are slowed for a shorter duration than those farther away, but all are slowed for a significant length of time and Tidal Wave has a large range.
http://euw.leagueoflegends.com/news/nami-tidecaller-revealed