Since it targets the opponent, it triggers as a Crime
Phyrexian Obliterator requires that your opponent have removal in the form of a card that doesn't deal damage
Scene Boxes, on the other hand, include 3 Play Boosters and 6 mechanically unique cards, so they can be great to get for Commander and Eternal fans, specifically

Giada, Font of Hope Angels Giada, Font of Hope | Illustration by Eric Deschamps Commander (1) Planeswalker (1) Creature (32) Angel of Finality Inspiring Overseer Segovian Angel Speaker of the Heavens Herald of War Emeria Shepherd Sanctuary Warden Angel of Vitality Baneslayer Angel Starnheim Aspirant Serra's Emissary Sephara, Sky's Blade Valkyrie Harbinger Bruna, the Fading Light Angel of Destiny Mother of Runes Righteous Valkyrie Bishop of Wings Youthful Valkyrie Angel of Jubilation Witch Enchanter Weathered Wayfarer Linvala, Keeper of Silence Angelic Field Marshal Archangel of Tithes Lyra Dawnbringer Avacyn, Angel of Hope Gisela, the Broken Blade Esper Sentinel Archangel of Thune Serra Ascendant Resplendent Angel Instant (8) Swords to Plowshares Generous Gift Rebuff the Wicked Path to Exile Heliod's Intervention Akroma's Will Flawless Maneuver Teferi's Protection Sorcery (4) Austere Command Winds of Abandon Vanquish the Horde Emeria's Call Enchantment (8) Sigarda's Splendor Angelic Accord Dawn of Hope Court of Grace Luminarch Ascension Smuggler's Share Land Tax Smothering Tithe Artifact (16) Mind Stone Arcane Signet Sol Ring Well of Lost Dreams Oketra's Monument Nyx Lotus The Book of Exalted Deeds Herald's Horn Lightning Greaves Sword of the Animist Sword of Hearth and Home Archaeomancer's Map Vanquisher's Banner The Ozolith Pearl Medallion Marble Diamond Land (30) Myriad Landscape Seraph Sanctuary Plains x20 Bonders' Enclave War Room Emeria, the Sky Ruin Marsh Flats Prismatic Vista Wasteland Nykthos, Shrine to Nyx Cavern of Souls Ill be the first to admit that Im a sucker for angels

Popular Creatures with Trample Here are a few examples of creatures with trample that you might run into on MTG Arena
If myriad creates more than one token for any given player (due to an effect such as the one Doubling Season creates), you may choose separately for each token whether it's attacking the player or a planeswalker they control