doflamingo one piece card game OP14-060 L Parallel Blue [ST17] from the One Piece Trading Card Game ONE PIECE CARD GAME OP01-060

Three opponents each casting a single spell won't work, for example

The format is not supported in Magic: The Gathering Arena currently, but instead uses the Explorer format in the game

To tangent off Brad and sigh, I've had a few long conversations with Justin Parnell on the topic of GW in cube, mostly at Legacy power level, and how WotC seems to keep splitting the difference of strong signposts between +1/+1 counters and tokens

Extus, Oriq Overlord / Awaken the Blood Avatar Extus, Oriq Overlord and its flip side make for an interesting combination of effects

Therefore, Leyline of Abundance's ability will not trigger