Moon-Blessed Cleric, Idyllic Tutor, Invasion of Theros, and Enlightened Tutor all find an enchantment and get it to where you want it (either in your hand or on top of your deck to be milled into your graveyard)
This website lets you create the card using the image with other details
Whenever you attack, for each opponent, create a 1/1 white Human creature token that's tapped and attacking that player or a planeswalker they control

Deck List: Commander (1) Daxos the Returned Creatures (25) 1 Underworld Coinsmith 1 Burnished Hart 1 Dawnglare Invoker 1 Ghostblade Eidolon 1 Kor Sanctifiers 1 Monk Idealist 1 Mesa Enchantress 1 Nighthowler 1 Fate Unraveler 1 Ajani's Chosen 1 Doomwake Giant 1 Dreadbringer Lampads 1 Celestial Ancient 1 Celestial Archon 1 Treasury Thrull 1 Silent Sentinel 1 Teysa, Envoy of Ghosts 1 Oreskos Explorer 1 Karlov of the Ghost Council 1 Bastion Protector 1 Corpse Augur 1 Herald of the Host 1 Banshee of the Dread Choir 1 Thief of Blood 1 Sandstone Oracle Spells (35) 1 Thought Vessel 1 Grasp of Fate 1 Shielded by Faith 1 Daxos's Torment 1 Righteous Confluence 1 Deadly Tempest 1 Ancient Craving 1 Gild 1 Dawn to Dusk 1 Open the Vaults 1 Death Grasp 1 Sol Ring 1 Wayfarer's Bauble 1 Lightning Greaves 1 Orzhov Signet 1 Crystal Chimes 1 Orzhov Cluestone 1 Phyrexian Reclamation 1 Seal of Cleansing 1 Grave Peril 1 Banishing Light 1 Cage of Hands 1 Karmic Justice 1 Vow of Duty 1 Fallen Ideal 1 Seal of Doom 1 Vow of Malice 1 Aura of Silence 1 Phyrexian Arena 1 Underworld Connections 1 Marshal's Anthem 1 Dictate of Heliod 1 Sigil of the Empty Throne 1 Black Market 1 Necromancer's Covenant Lands (39) 1 Barren Moor 1 Command Tower 1 Evolving Wilds 1 Ghost Quarter 1 New Benalia 1 Orzhov Basilica 1 Orzhov Guildgate 1 Rogue's Passage 1 Scoured Barrens 1 Secluded Steppe 1 Tainted Field 1 Temple of the False God 1 Terramorphic Expanse 1 Vivid Marsh 1 Vivid Meadow 11 Plains 13 Swamp Contents: 100-Card Commander Deck

Guaranteed Way to Get Sabrina To unlock Sabrina without opening packs, purchase her card from the Pack Point shop
+1 poison counters is potentially a lot, with swarms of Mites it's enough to kill someone in a single turn pretty easily