Sivir's Boomerang Blade returns to her after reaching the max range, so you can shift position to hit enemies who would otherwise have evaded it.
Try saving Spell Shield for enemy abilities that can disable you such as stuns and roots.
Ricochet resets Sivir's basic attack timer on activation, so activating this immediately after landing a normal basic attack will maximize damage output.
You can cast Smite on Mist Walkers and the Maiden of the Mist to damage or kill them.
You can attack Dark Procession to break the wall down.
Try to thin out Yorick's minions before you engage him, Mist Walkers will die from a basic attack or a single target spell.
The stat comparisons shown on this page underscore several strategic Sivir against Yorick matchup stats that can help you understand the distinctions between the two. For instance, Sivir’s KDA ratio ([kills + assists] / deaths) of NaN is more than Yorick’s ratio of NaN, indicating that Sivir may be more central to her team's team fighting capacity than Yorick..
Sivir normally has a similar longest kill spree as her foe does. Typically, she receives less damage than Yorick. This typically indicates differing health capacities, but it can also show that the one champion has less mobility and thus is not able to escape additional damage when engaged or poked.
Both League of Legends champions are great. Both have their strengths, weaknesses, and counters. In the game's current meta, Sivir usually loses when facing off against Yorick, with a 47.5% win rate. As a result, Sivir makes a poor counter to Yorick.
While Sivir does have a lower win rate compared to Yorick, when they face off with one another, Sivir also has a lower learning curve that makes her a less difficult champ to learn. You should expect to face a difficult match when picking Sivir into Yorick.
Moreover, Sivir also has almost no amount of CC and other utility, a similar amount to Yorick. This makes her just as valuable during teamfights, especially when trying to counter champions with a lot of burst damage.
While there isn't a single best champion for every situation in League of Legends, in Sivir vs Yorick matchups, Yorick is the better champ with a lower win rate, less champion complexity, and a similar amount of utility to help out your allies during late stage team fights.
Sivir is a terribly counter for Yorick. You will do well by focussing your actions on increasing your CS and taking out objectives. If you do that, you should be able to stand on your own as Sivir against Yorick.
To truly master Sivir in order to counter Yorick during both the lane and mid / late game phases of League of Legends, you should continue reading to learn a few extra lessons on this matchup. If you pay attention to the build and suggestions presented above, you will grow your win rate by a lot and be closer to League of Legends pro players.
Sivir most often accumulates a similar amount of CS as Yorick. Champs who typically don't get many minion kills often don't need much CS to be effective, such as support champions. These kinds of champions 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 have to have many items to be effective. In either situation, try to do better than the values reported on this page to do well.
The most important items to focus on in your Sivir versus Yorick build consist of Lord Dominik's Regards, Kraken Slayer, and Navori Quickblades. When Sivir combined at least these three pieces in her build, she did a lot better versus Yorick than with many other commonly used counter builds. In fact, Sivir boasted an average winrate of 47.5% battling Yorick with this build.
To have the best chance of defeating Yorick as Sivir, Sivir players should use the Lethal Tempo, Presence of Mind, Legend: Bloodline, Coup de Grace, Absolute Focus, and Gathering Storm runes from the Precision and Sorcery rune sets. Out of all the rune builds players used for Sivir vs Yorick counter picks, this sequence of runes resulted in the highest win rate. Moreover, these runes averaged a 47.5% winrate overall.
By default, tips, statistics, and builds on how to beat Yorick as Sivir are shown for all skill levels combined. If you would like to filter the stats and builds to a specific rank, you should use the selection menu located above.