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Winter, Cynical Opportunist Another four-drop Green legendary dork is next to lead your Commander brew

Niv-Mizzet, Visionary liberates you from hand size restraints and draws you cards for dealing damage to your opponents

Instant Color tag templates(None) Crash the Party Create a tapped 4/4 green Rhino Warrior creature token for each tapped creature you control

It untaps your lands to let you have explosive turns, or to combo

What you cannot do is rely on them to provide that influx of cards, if you know you really want to fill up the hand and you are running out of slots then perhaps these walkers are not the best option