Michiko Konda, Truth Seeker

Whenever a source an opponent controls deals damage to you, that player sacrifices a permanent of their choice.

Grand Arbiter Augustin IV

White spells you cast cost {1} less to cast.
Blue spells you cast cost {1} less to cast.
Spells your opponents cast cost {1} more to cast.

Creatures you control get +X/+X, where X is the number of cards you've drawn this turn.

You have no maximum hand size.
{T}: Add {C}.

{T}: Add {C}.
{1}{W}, {T}: Put target enchantment card from your graveyard on top of your library.

{T}: Add {C}.
{T}: Add {W} or {U}. This artifact deals 1 damage to you.