11, there will not be a protective card for the bench, so players can play bench attackers freely
Other effects that set its power or toughness to specific values that start to apply after the ability resolves will overwrite this effect
Some examples: Swords to Plowshares, Teferis Protection, Chaos Warp, Great Train Heist (or other Spree cards, you pay extra costs but can go wild), Akromas Will, Deflecting Swat, Wear/Tear, and my personal favorite, Reprieve
Graded BGS9, it stands as a premium example of Japanese trading card craftsmanship, and with only a limited number of signed pieces from Saito circulating, its rarity significantly amplifies its value in the collector community
The main advantage of Spear over Collar is the extra +1/+1 and the trample, which protects you against your creatures being chump blocked, and then having your opponent kill their chump blocker before damage with either a removal spell or sacrifice effect
Since he has double red in his own cost, youre getting at least two cards here