That includes placing as many artifacts as possible on the table, then ensuring their safety when they become hexproof and indestructible
The first aims for an inexorable long game, carefully timing blink spells to safely reuse ETB effects, often countering single target removal or turning evenhanded board wipes into events where you come out far ahead of the rest of the table
Later in the game, you can transform it into Venom, Lethal Protector, which looks as awesome and fearsome as Venom, or what youd expect in a Venom MTG card
It may be more work than its worth, but if you can reanimate the Sergeant to its own ability and clear the -1/-1 counters on your Persisted creatures, you could create a very sticky board
A 7/7 Eldrazi for 7 mana with seven keyword abilities is nice, and Sire of Seven Deaths can be played in Eldrazi decks, or keyword soup decks
She's the sharp edge of modern Mardu: efficient, elegant, and lethal