Why would you get a randuin's omen if the enemy team is 5 casters? Exactly, it's not a core part of the build...
Annie
Read the last part he said:
w/e ur team is.. force of nature or thornmail or banshees or w/e
Anyway point is you're a tank = your items are different game to game (whatever your team needs)
Ryze & Annie are both good, + if annie miss her ulti-stun then it'll be a waste.
The only thing Ryze is better at than Annie is being purple.
Not really, ryze has a snare whereas annie rely on the 5 spellcasts.
Ehh, well whats the best build anyway?
Ryze?
If you feel the game is going to last 30+ mins, get rod of ages.
- Mejai's soulstealer (Only if you're sure you ain't gonna die all the time, else it's just a waste as ur stacks will very low [2-3]).
- Sorcerer Shoes/mercury threads, depends if they got a lot of stunners
- Archangel's Staff (Allows you to spam spells more, also note 3% of your mana is converted to AP. This is godly because it will give u +3 mana each spell casts, caps at +1000 mana.
STACKS with your Q spell)
- Deathfire Grasp/Abyssal Scepter/Void staff (Take what fits most to you & your team, if they got a lot of tanks, get void staff. If they got a single magic resist item or something, get abyssal scepter. If they got a lot of dps etc. get deathfire grasp, remember to click it on a target BEFORE fighting him, as he will loose 30% of his hp in one hit. Stun>Deathfire grasp>spell flux>overload should make a sure victory in a 1v1 fight.)
- Zhonya's Ring (by this time you'll have A LOT of AP, this is awesome because it gives you +25% more of what you already have, also IF you get targetted in a teamfight, just activate it then stun &/or run.)