Tivdelyr, Chaos Anomaly

Land Changeling (This creature counts as all
creature and all basic land types.)
Cascade, Cascade.
{10}{b/g}{u/b}{b/r}, {t}: Return target creature card with
cascade from your graveyard to the battlefield, it
gains haste, return it back to your hand at the beginning of the next end step. This ability costs {1} less to cast for each time you've cascaded
this game.