Lockdown and destroy

At the beginning of each player's upkeep, that player discards a card at random.

At the beginning of each player's upkeep, that player returns a creature they control to its owner's hand.

: This creature gets +2/+2 until end of turn. Activate only once each turn. Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)