While this card cant attack the turn you activate this effect, its a nice option to have in the rare event that a direct attack is too risky
5 Crimson Invasion Considering that not much within the set is actually crimson, there's a sort of grim implication about the effect of Crimson Invasion on opponents that isn't worth lingering on
Another great card that should be an auto-include in a mill deck is Ruin Crab
Likewise, I'm not quite sure about the flavour behind Temp of the Damned
Prior to the release of the "Dragon Ruler" series, "Red-Eyes Darkness Metal Dragon" and "Red-Eyes Wyvern" made the "Hopeless Dragon" Deck and its more aggressive counterpart, "Disaster Dragon", possible by using multiple copies of "Red-Eyes Darkness Metal Dragon" to swarm the field until it was Limited
While it might not seem exciting to draw three guaranteed lands a turn, remember that this also thins your deck of land, allowing you to draw more spells than you would have otherwise