SCP 079, The Old Ai

Defender.
{t}: Add {c}{c}, spend this mana only to cast an SCP spell.
{3}{t}: Take one SCP card from your deck, reveal it, and place it on top of your deck, you can pay {2} to add it to your hand instead.
{4}{t}: Target player discards 1 random card, you can pay {2} to look at their hand and discard 1 card you find there instead.