Flitter, the Supplier

Assist (Another player may pay up to {2} of this
spell's cost.)
Each other player may use Assist to pay for this
card's commander tax.
Whenever you cast Flitter, the Supplier, each
player who paid for this spell's cost draws X cards
and gains X life, where X is the number of times
Flitter, the Supplier has been cast from the
command zone this game.