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Whenever the opponent activates a Trap card, you can negate it and set it face-down

If you want to try out a companion but want to keep the deck building easy I suggest picking up the Painbow precon from Dominaria United

One key opening-turn strategy would be to Special Summon Lyrilusc - Turquoise Warbler (by controlling no monsters) in order to use its effect to Special Summon Cobalt Sparrow

Note that The Enigma Jewel can tap to help flip itself, but thats still 7 mana, so yikes

Complete with additional hand straps and a carabiner, you can carry it by the wrist, or hang it on travel bags

It actually means nothing in practical play