Theyre plenty good if you only use them to get two of the three colors they fix for, and some decks (notably those with Landfall and Sacrifice triggers) will use them even if they only hit one of their colors
Meanwhile your opponents' counter making is halved and rounded down so a +1 loyalty ability from your foe won't put anything on their planeswalker
This might not be better than an enchantress commander that draws cards but its certainly intriguing
This Simic card is just another generically powerful Simic creature in the vein of Aesi, Tyrant of Gyre Strait and Koma, Cosmos Serpent that fails to meaningfully distinguish itself from its predecessors
Most players dont realize that only one of those four pillars can be increased without detriment to the others: card draw
Since Kefka exiles the spells before casting them, we can exploit Rakdoss many cast-from-exile synergies like Prosper, Tome-Bound and Passionate Archaeologist to extend the value further