Oliver.

Items in their inventory when the game ended, across 17 games.

Item	Games	Of all games	Win rate
Magic Wand	10	58.8%	80.0%
Power Treads	10	58.8%	60.0%
Black King Bar	7	41.2%	71.4%
Blink Dagger	6	35.3%	83.3%
Aghanim's Scepter	5	29.4%	100.0%
Phase Boots	3	17.6%	100.0%
Satanic	3	17.6%	66.7%
Silver Edge	3	17.6%	66.7%
Butterfly	2	11.8%	100.0%
Tranquil Boots	2	11.8%	100.0%
Spirit Vessel	2	11.8%	100.0%
Shiva's Guard	2	11.8%	100.0%
Witch Blade	2	11.8%	100.0%
Null Talisman	2	11.8%	100.0%
Hand of Midas	2	11.8%	100.0%
Monkey King Bar	2	11.8%	100.0%
Hurricane Pike	2	11.8%	100.0%
Manta Style	2	11.8%	50.0%
Battle Fury	2	11.8%	50.0%
Nullifier	2	11.8%	0.0%
Diffusal Blade	2	11.8%	0.0%
Glimmer Cape	1	5.9%	100.0%
Bottle	1	5.9%	100.0%
Blade Mail	1	5.9%	100.0%
Crystalys	1	5.9%	100.0%
Yasha	1	5.9%	100.0%
Harpoon	1	5.9%	100.0%
Arcane Boots	1	5.9%	100.0%
Point Booster	1	5.9%	100.0%
Aether Lens	1	5.9%	100.0%
Boots of Travel	1	5.9%	100.0%
Aeon Disk	1	5.9%	100.0%
Refresher Orb	1	5.9%	100.0%
Mask of Madness	1	5.9%	100.0%
Eaglesong	1	5.9%	100.0%
Mjollnir	1	5.9%	100.0%
Essence Distiller	1	5.9%	100.0%
Drum of Endurance	1	5.9%	100.0%
Observer Ward	1	5.9%	100.0%
Assault Cuirass	1	5.9%	100.0%
Yasha and Kaya	1	5.9%	100.0%
Skull Basher	1	5.9%	0.0%
Desolator	1	5.9%	0.0%
Bloodthorn	1	5.9%	0.0%
Sange and Yasha	1	5.9%	0.0%
Dust of Appearance	1	5.9%	0.0%
Mage Slayer	1	5.9%	0.0%