Sivir Spell Shield and Leona's Zenith Blade
Honestly spell shields should block Zenith Blade. Morgana's black shield stops it but not a perfectly-timed spell shield?
Currently just the damage portion is blocked. Whoo hoo. Too bad Leona's purpose is to CC and not to damage. This ability really needs counters other than "pick Morgana" since no one bans Leona and everyone bans Morg.