Healing cards can compensate the loss
[All Turns] When any of your Digimon with the [Royal Knight] or [CS] trait are played, by suspending this Digimon, 1 of the played Digimon gains Rush, Raid, Reboot and Blocker until your opponent's turn ends
Toxicroak G "Promocroak" is one of the most powerful and efficient SP attackers with Poison Revenge, which hits 60 damage + Poison
You said your deck was core, but it really feels more like an optimized deck to me with how fast it was. You said your deck was a 2, but it really feels more like a 4 to me with how fast it was. To me, theres a stark tonal difference, and simply more to work with in the first statement
Effects like this have the problem of requiring you to be too ahead to work, but the flexibility of choosing between artifacts or enchantments (and being able to choose both in another module) makes it a valid option
Efficiency-wise, it's often better to just have slightly cheaper weapon that you can use until one of your primary weapons come up