Badgermole Cub only gives you the extra mana side but it does come packaged with its own mana dork thanks to Earthbend
9 Sapphire Amethyst Island Powerful Dual-Ink Cards Sapphire has not halted its reign over the Ink types as one of the best, and this Sapphire Amethyst deck shows how well it can work with Amethyst
Infuriate can give a creature +3/+2 whenever you want
Heres a few examples: Akoum loves enchantments The Hippodrome shuts down going wide strategies like token creatures
There are two phases to the game against Mono-Red: dont die and kill them. Your goal is to sideboard into all threats that are good at starting off as dont die and rapidly turn into kill them. Planeswalkers dont do that, and Jadelight Ranger usually just gets sent packing by Abrade or Ahn-Crop Crasher
Meanwhile, only two cards stand out to me as being unreasonably inflated by scarcity: Razorclaw Bear is another single-printing Portal oddity, while Rick, Steadfast Leader was (until its Universes Within counterpart appeared) only available from a controversial $50 Secret Lair