Sean...

Items in their inventory when the game ended, across 19 games.

Item	Games	Of all games	Win rate
Aghanim's Scepter	12	63.2%	75.0%
Black King Bar	10	52.6%	50.0%
Blink Dagger	8	42.1%	37.5%
Magic Wand	5	26.3%	100.0%
Phase Boots	5	26.3%	60.0%
Arcane Boots	5	26.3%	60.0%
Tranquil Boots	4	21.1%	75.0%
Octarine Core	4	21.1%	75.0%
Spirit Vessel	3	15.8%	100.0%
Shiva's Guard	3	15.8%	100.0%
Kaya and Sange	3	15.8%	100.0%
Scythe of Vyse	3	15.8%	66.7%
Heart of Tarrasque	3	15.8%	66.7%
Dust of Appearance	2	10.5%	100.0%
Bracer	2	10.5%	100.0%
Lotus Orb	2	10.5%	100.0%
Pipe of Insight	2	10.5%	50.0%
Yasha and Kaya	2	10.5%	50.0%
Null Talisman	2	10.5%	50.0%
Power Treads	2	10.5%	50.0%
Aether Lens	2	10.5%	0.0%
Boots of Travel	1	5.3%	100.0%
Consecrated Wraps	1	5.3%	100.0%
Guardian Greaves	1	5.3%	100.0%
Ring of Tarrasque	1	5.3%	100.0%
Shadow Blade	1	5.3%	100.0%
Healing Lotus	1	5.3%	100.0%
Soul Booster	1	5.3%	100.0%
Dagon	1	5.3%	100.0%
Parasma	1	5.3%	100.0%
Hurricane Pike	1	5.3%	100.0%
Falcon Blade	1	5.3%	100.0%
Staff of Wizardry	1	5.3%	0.0%
Point Booster	1	5.3%	0.0%
Blade Mail	1	5.3%	0.0%
Hand of Midas	1	5.3%	0.0%
Quelling Blade	1	5.3%	0.0%
Sange and Yasha	1	5.3%	0.0%
Phylactery	1	5.3%	0.0%
Wind Waker	1	5.3%	0.0%
Refresher Orb	1	5.3%	0.0%
Drum of Endurance	1	5.3%	0.0%
Daedalus	1	5.3%	0.0%
Silver Edge	1	5.3%	0.0%