magic modern masters 2015 booster box the Gathering Edition — Cardboard Memories Inc and one foil card of any rarity Modern Masters 2015 Deckbox: Etched

However, you can still find this card being used in various Yu-Gi-Oh

Mime GX #56Ultra Rare $4.18 Grumpig #60Rare $0.29 Slugma #23Common $0.28 Lotad #36Common $0.19 Gorebyss #43Uncommon $0.28 Swalot #58Uncommon $1.46 Surskit #15Common $0.18 Rocket's Scyther #13Holo Rare $84.81 Rocket's Scyther ex #102Ultra Rare $351.99 Scyther #17Holo Rare $35.21 Scyther #45Promo $50.59 Scyther #46Uncommon $1.83 Scyther #55Uncommon $6.16 Scyther #29Rare $3.99 Scyther #46Uncommon $5.89 Scyther #46Uncommon $2.60 Scyther #49Uncommon $1.65

Regarding instants, any instant spell or activated ability can be put on the stack in response to another instant

And I'm pretty sure "having fun" is the entire point of the game whether you know how to play it or not

Eidolon especially works poorly with the card quality and draw stuff as well as your super low curve

Special Summon 1 "Synchron" monster from your Deck with a different Level than the Tributed monster had on the field