When prepared, the creature may cast their spell for the associated cost and at the designated speed, but it'll have to become prepared again to keep doing it
So while Lucario isnt worth building a deck around, its absolutely worth slotting into any of your existing fighting-type decks
Kaladesh had compounding factors, namely that energy was a complicated new mechanic with several costs having been misjudged, but had the designers been able to easily slap colored mana costs on most of the artifacts without tradition turning them away, things could have been different
Or make any kind of midrange team quite murderous
Esper Terra Type: Legendary Enchantment Creature Saga Wizard Stats: 6/6 Card Text: I, II, and III Create a token thats a copy of target nonlegendary enchantment you control
Secondly it has the capacity to be as effective as Actual Counterspell for half the mana which in itself is a strong effect but also means that any time you stop a spell with Force Spike you feel like you have gained value which is rarely the case when your Actual Counterspell is baited out on a lowly one drop
