The most important thing to keep in mind about Twisted Fate Sejuani is to ensure that Sejuani levels up at a reasonable pace; this means that we should be trying to damage the enemy Nexus each turn whenever possible.
As a result, games generally start out with the player attempting to sneak in damage by going wide quickly, giving key units Vulnerable with Hired Gun to make future attacks better, and making use of Monkey Idol. Prowling Cutthroat is also a great way to ensure that Sejuani will level up quickly, as very few units in the game can block her.
Starting on turn 4, the player is incentivized to use Babbling Bjerg to look for Sejuani or Riptide Rex, as well as play Yordle Grifter in order to create Warning Shots that will allow Sejuani to freeze the enemy board at Burst speed once she is levelled. Twisted Fate is also a great card at this point of the game to stun a beefy midrange unit with Gold Card, clear an aggressive board of x|1s with Red Card, or dig for your win conditions with Blue Card.
Beginning on turn 6 or 7, Sejuani should be levelled. It is at this point where the end starts to draw near for most opponents, as they can no longer play to the board effectively whatsoever as long as we have enough Warning Shots for our non-attacking turns and sequence our attacks correctly (from left to right: Powder Monkey, Prowling Cutthroat, Sejuani, everything else) in order to ensure that Sejuani will freeze the board before our units are struck by enemy blockers.
If our opponent was able to survive despite losing board control, a Riptide Rex will often be enough to seal the deal or pave the way for a lethal open attack down the line.
3.3
Shard Cost: 
26,900
5
35
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