The mass creature stealing elements of Emrakul can decidedly turn the battle in your favor, especially since it's a permanent theft of those creatures since you sacrifice them all if Emrakul leaves the battlefield for any reason
For four mana, Admiral Beckett Brass provides you with the most flexible colors for a Pirate deck
Its a single Selesnya commander that can buff your creatures, create tokens, and even sacrifice itself to protect your tokens with hexproof and indestructible
Religious imagery we recognize becomes a shorthand that we can interpret through our pre-loaded associations with those symbols and their prior use in fantasy media
"OP06-087 Cerberus" is the card you most want to play with "OP06-098 Thriller Bark"
O-Ring effects dont typically have much room for payoffs through other cards, and if you're going for benefiting from enters the battlefield or leaves the battlefield effects, you should probably check out blink/flicker effects