Wizards of the Coast also has another spoiler card available in their daily preview article
You have very little wiggle room for cards that don't interact with the board directly, so keep things like pure card draw spells and discard spells to a minimum

Filters (All by default) Explore Starter Deck EX: Luffy & Ace rankings Top 25 best cards in Starter Deck EX: Luffy & Ace #1 Luffy & Ace (Parallel) Green / Red Starter Deck EX: Luffy & Ace L #ST30-001 Foil 30d n/a 20.9/dayStrong Vol $111.02 626 sold (30d) #2 Monkey.D.Luffy (Parallel) Starter Deck EX: Luffy & Ace SR #ST30-012 Foil 30d n/a 14.6/dayMod Vol - $28.90 438 sold (30d) #3 Luffy & Ace Green / Red Starter Deck EX: Luffy & Ace L #ST30-001 Foil 30d n/a 53.4/dayStrong Vol $12.08 1,603 sold (30d) #4 Mr.3(Galdino) (Full Art) Starter Deck EX: Luffy & Ace C #ST30-014 Foil 30d n/a 20.2/dayMod Vol $6.75 607 sold (30d) #5 Portgas.D.Ace (007) (Parallel) Starter Deck EX: Luffy & Ace SR #ST30-007 Foil 30d n/a 11.1/dayStrong Vol $4.89 332 sold (30d) #6 Monkey.D.Luffy Starter Deck EX: Luffy & Ace SR #ST30-012 Foil 30d n/a 81.5/dayStrong Vol $4.49 2,446 sold (30d) #7 Inazuma (Full Art) Starter Deck EX: Luffy & Ace C #ST30-002 Foil 30d n/a 13.4/dayMod Vol $2.79 403 sold (30d) #8 Crocodile (Full Art) Starter Deck EX: Luffy & Ace C #ST30-010 Foil 30d n/a 15.6/dayStableVol $2.62 467 sold (30d) #9 Buggy (Full Art) Starter Deck EX: Luffy & Ace C #ST30-011 Foil 30d n/a 13.3/dayMod Vol $2.46 399 sold (30d) #10 Can You Still Fight, Luffy

His defining strength is recurring key artifacts from the graveyard
Stonehorn Dignitary makes a target opponent skip their next combat phase, and if you repeatedly blink or recur it, that player will never get to attack
On the flipside, you have creatures and enchantments that can give hexproof to other creatures, but they can still be targeted