At some point the entire deck will be able to discard cards from your hand.
V-EB14/051 C スチームライター ルババ Steam Writer, Lubaba
Grade 1 / Normal Unit / Dark Zone – Gear Chronicle – Gearoid
AUTO (RC) When it boosts, if your vanguard is grade 4, draw a card and discard a card from your hand.
V-EB14/047 C スチームブレイカー ナルマニハ Steam Breaker, Narmaniha
Grade 2 / Normal Unit / Dark Zone – Gear Chronicle – Gearoid
“Engine full throttle, slash with a full high octane tank.”
AUTO (RC) When it attacks, COST [Discard one or more cards with the sum of their grades being 3 or greater from your hand], and this unit gets Power+15000 until end of turn.