2023-10-13 : If each Dalek that could block the equipped creature is tapped or is affected by a spell or ability that says it can't block, then none of them block. If there's a cost associated with having each of those creatures block, its controller isn't forced to pay the cost, so they don't have to block in that case either.

2023-10-13 : If one creature is somehow equipped with multiple Ace's Baseball Bats, that creature still requires only a single Dalek to block it.

2023-10-13 : Only one Dalek is required to block the equipped creature. Other Dalek and non-Dalek creatures may also block that creature and are free to block other creatures or not block at all.

2023-10-13 : The defending player, not the attacking player, chooses which Dalek blocks the equipped creature.