This is the preconstructed version provided by the game in the “Community Spotlight: Gladiator” deck folder.
Decklist
Boros Control
by MTG Arena Zone
Gladiator
best of 3
15 mythic
48 rare
14 uncommon
23 common
0
1
2
3
4
5
6+
Planeswalkers (13)
Creatures (14)
Instants (11)
Sorceries (14)
Artifacts (7)
Enchantments (5)
Lands (36)
100 Cards
$335.6
Visual view
Boros Control
Gladiator
by MTG Arena Zone
15 mythic
48 rare
14 uncommon
23 common
0
1
2
3
4
5
6+
❓ Importing and Copying Decks into MTG Arena
Source
MTG Arena Community Spotlight: Gladiator Event Guide and Decklists