One of the interesting aspects of Modern as a format is just how important sideboard cards actually areif you look over the lists of the most played cards in the format, you'll see that it's littered with cards that show up exclusively or primarily in sideboards
8 Dragonite EX: Dragon (Ultra Rare) $188.69 Looking To The Skies EX Dragon is one of the most notable EX-era sets, featuring a collection of top-tier Dragon-type Pokemon like Dragonite among its most expensive cards
Fortunately, cards that give all your spells Flash are also ideally suited to this task
For example, if a permanent with a finality counter on it would be put into its owner's hand from the battlefield, it does so normally
Legendary Battle Decks [Moltres] $84.96 Legendary Birds Pin 3 Pack Blister [Moltres Pin] Enhanced 2-Pack Blister Pack [Galarian Articuno, Galarian Zapdos, & Galarian Moltres] $38.42 Enhanced 2-Pack Blister Pack [Articuno, Zapdos, & Moltres] $29.57 Team Rockets Moltres ex Ultra-Premium Collection $384.47 Team Rockets Moltres ex Ultra-Premium Collection Case $1049.12 Chilling Reign 2 Pack Blister [Galarian Zapdos V, Articuno V, Moltres V] $40.16 Crown Zenith Tin [Galarian Moltres] $145.01 Ledyba #4Common $0.13 Blaziken V #20Ultra Rare $1.21 Ice Rider Calyrex VMAX #46Ultra Rare $1.34 Tsareena #15Rare $0.21 Volcanion V #25Ultra Rare $0.80 Weavile #31Holo Rare $0.28 Galarian Slowpoke #54Common $0.15 Kakuna #2Uncommon $0.08 Scorbunny #26Common $0.12 Celebi VMAX #8Ultra Rare $3.95 Blaine's Moltres #1Holo Rare $114.66 Galarian Moltres #93Holo Rare $0.45 Galarian Moltres #93Rare $5.72 Galarian Moltres #26Rare $1.16 Galarian Moltres - 079/172 #79None $0.24 Galarian Moltres - 190/172 #190Art Rare $10.76 Galarian Moltres - SWSH284 #SWSH284Promo $14.21
Sure, you can use Tiamat for five colors, toss in all these cards and some sort of spells and mana rocks, and see what happens
