Redcap is a support card but occupying a valuable four drop slot and that makes it far less appealing than you might expect
Heres a one-mana 2/1, on type
Colorless land ramp cards like Wayfarer's Bauble, Burnished Hart, and Solemn Simulacrum are less mana-efficient options, but they ultimately are safer in most playgroups
The young upstart staring contemplatively at the dead patriarch, his fingers interlaced
Mana ramp cards like Rampant Growth and Knight of the White Orchid, mana rocks like Worn Powerstone and Sol Ring, tutors like Idyllic Tutor, Demonic Tutor, or Imperial Recruiter, recursion spells like Eternal Witness and Argivian Find, and card drawing/filtering spells like Rhystic Study, Dig Through Time, Wheel of Fortune, and Faithless Looting can all be cards that fit within this category
Fulminator Mage Not one thats often seen in Commander, Fulminator Mage has been a key hate piece in 60-card formats