Orianna can only affect the area the Ball is around. Use this to your advantage.
Watch out for Orianna's Ball returning to her due to leashing. This may cause some unexpected situations.
The stat comparisons shown on this page clarify several strategic Samira against Orianna counter statistics that can help you distinguish the differences between the pair. As an example, Samira’s KDA ratio ([kills + assists] / deaths) of NaN is better than Orianna’s KDA ratio of NaN, showing that Samira may be more central to her team's team fighting potential than Orianna. This observation is in large part caused by the difference in kills.
Samira usually has a much larger longest killing spree than her counter does. On average, she takes more damage than Orianna. This is usually reflective of different amounts of tankyness; however, it can also indicate that the one champion has less mobility and thus is not able to kite away from additional damage when poked or engaged.
Both League of Legends champions are great. Both have their strengths, weaknesses, and counters. In the game's current meta, Samira usually fairs equally well when facing off against Orianna, with a 50.3% win rate. As a result, Samira makes an ok counter to Orianna.
While Samira does have a higher win rate than Orianna, when facing one another, Samira also has a lower learning curve that makes her a less time consuming champion to learn and master. You still need to be cautious when picking Samira into Orianna.
Moreover, Samira also has only a small amount of CC and other utility, a similar amount to Orianna. This makes her just as valuable during teamfights, especially when trying to counter champions with a lot of burst damage.
While there is not one best champion for every situation in League of Legends, in Samira vs Orianna matchups, Samira is the better champ with a similar win rate, less champion complexity, and a similar amount of utility to help out your teammates during late stage team fights.
Samira is a decent counter to Orianna. You will do well by focussing your tactics on increasing your gold income and taking out objectives. If you are able to do that, you should be able to stand on your own as Samira against Orianna.
To truly master Samira in order to counter Orianna during both the lane and mid / late game phases of League of Legends, you should keep reading to gather a few extra tips and tricks for this matchup. If you listen to the build and tips presented here, you should increase your win rate significantly and be closer to League of Legends pro players.
Samira most often gets a similar amount of CS as Orianna. Champions who on average don't take many minion kills often don't need much CS to be valuable teammates, such as sup champs. They are capable of scaling well off of their abilities and first items alone. Yet, champions with a lot of CS, such as hyper-carries, typically require a lot of items to be effective. In either case, try to do better than the values displayed here to do well.
The top items to prioritize in your Samira versus Orianna build consist of Guardian Angel, Infinity Edge, and The Collector. When Samira used at least these three pieces in her build, she performed a lot better versus Orianna than with most other typical item sets. In fact, Samira had an average winrate of 50.3% when countering Orianna with these items in her kit.
To have the highest probability of defeating Orianna as Samira, Samira players should use the Conqueror, Triumph, Legend: Bloodline, Last Stand, Taste of Blood, and Treasure Hunter runes from the Precision and Domination rune sets. Out of all the runes we have analyed for Samira vs Orianna LoL games, this mix of runes yielded the best win rate. In fact, these runes averaged a 50.3% win rate overall.
If you want to see Samira x Orianna tips and builds for a a distinct rank, feel free to choose one from the selection menu displayed above. If viewing for the first time, the statistics and strategies given are calculated using every game finished with both champs.