The ability to split when you pay the costs allows you to use it more as a way to usefully spend your mana than anything else
Its making me think about Sylvia Brightspear, for instance, and how youd really be able to get the most out of double-strike with a small board
While not great mana-fixing on their own since they only produce two colors of mana, each shockland has two basic land types which make them easy to fetch
Tack on deathtouch and a good sacrifice ability and you have a very solid playable
To make the card even more treacherous, it could be followed up with another Song from the Whispers in the Well expansion, "Can't Hold It Back Anymore" , which takes all damage counters and moves them to one chosen character
All three of those are popular archetypes at the kitchen table, and he can lead them all