This is especially true for decks built around creatures with high toughness, but it also works for decks that are going wide or playing generally stompy creatures
It synergizes with nearly every Alela, Artful Provocateur deck you can possibly build, too
Hello, Psychic Corrosion
There are a bunch of other, much more fringe-y combo decks that could use Tyvar as well and its not impossible that it shows up in a fair Abzan Stoneblade style deck where being able to reanimate things like Dauthi Voidwalker and Stoneforge Mystic and activate them right away seems quite powerful

Anax and Cymede Heroic Tokens Anax and Cymede | Illustration by Willian Murai Commander (1) Planeswalker (1) Creatures (25) Akroan Crusader Haazda Marshal Signal Pest Accorder Paladin Akroan Hoplite Goblin Wardriver Skyknight Vanguard Sunhome Guildmage Young Pyromancer Anax, Hardened in the Forge Feather, the Redeemed Hanweir Garrison Hero of the Nyxborn Mentor of the Meek Twilight Drover Akroan Horse Dragonscale General Jazal Goldmane Krenko, Mob Boss Oketra the True Varchild's Crusader Captain of the Watch Darien, King of Kjeldor Harmonious Archon Ancient Stone Idol Instants (16) Defiant Strike Expedite Gods Willing Niveous Wisps Swords to Plowshares Bathe in Light Carom Fists of Flame Guided Strike Heliod's Intervention Psychotic Fury Shelter Stun Chaos Warp Rootborn Defenses Wear // Tear Sorceries (6) Oust Renegade Tactics Rile Fell the Mighty Fumigate March of Souls Enchantments (6) Chained to the Rocks Legion's Landing Spirit Bonds Goblinslide Retreat to Emeria Assemble the Legion Artifacts (11) Skullclamp Boros Signet Coldsteel Heart Culling Dais Idol of Oblivion Mind Stone Talisman of Conviction Tome of Legends Treasure Map Oketra's Monument Phyrexian Vault Lands (34) Battlefield Forge Castle Ardenvale Castle Embereth Command Tower Temple of Triumph Wind-Scarred Crag Plains x14 Mountains x14 While you'd think that this would make a great heroic deck, it doesn't work super well in my experience

Take a second look at their art and see if you can spot what the artist slipped in to help you see the scale of just how big the giant is