Intimidation Campaign is the dream here, but Seize the Secrets is fine
Note that other than the colorless mana spent, there are no other costs here like tapping or once per turn or only on your turn
For those who prefer a combo-oriented style of play, Kykar decks are also well suited to cards with Storm (spells like Empty the Warrens that copy themselves for every other spell cast before them on the same turn) and cards that reward you for playing lots of spells like Aetherflux Reservoir, to say nothing of the other independent combos that synergize with Kykar like Elsha of the Infinite + Senseis Divining Top
Looking to Standard, this list covers several cards worth crafting or putting into a deck if obtained in a pack
Card draw is crucial to shut down combos or degenerate commanders
All four heroes appear in the main Final Fantasy set as legendary creatures, and Noctis also appears as a reprint of the wickedly powerful Kenrith, the Returned King