Dire Fleet Ravager is a risky one to add, but I feel like if you're playing this deck
"But I think that's most of the welding work done for the evening
The deck starts by casting efficiently-costed creatures with strong secondary abilities including Sanguine Evangelist (1/1 tokens), Preacher of the Schism (1/1 tokens, card draw), Vanguard of the Rose (Indestructible), Echo of Dust (+1/+1, lifelink), and Bartolome (sacrifice outlet, +1/+1 counters)
Teferi Akosa of Zhalfir, the time mage tucked away underneath Invasion of New Phyrexia, provides not only several strong effects, but also synergizes with all of the Knights generated by the first part of this card
SR Super Rare Abysstrite, the Atlantean Spirit X WATER Rank 7 [ Sea SerpentXyzEffect ] ATK 2100 DEF 2800 2+ Level 7 WATER monsters WATER monsters you control gain 300 ATK/DEF for each material attached to this card
That's some really nice board wipe and spot removal protection