Lindsay Dawn

Suspend 4 ({1}{w}{u}{r})
{r}: Put an emblem with 3 time counters onto the battlefield under target player's control. That emblem has "Remove 1 time counter from this card during its owner's upkeep step. When the last time counter is removed from this card, exile it and it deals 5 damage to its controller."
{w}{w}: Lindsay Dawn gains shroud until end of turn.
{1}{u}{r}: Lindsay Dawn gains unblockable until end of turn.
When Lindsay Dawn deals combat damage to a player, that player must sacrifice a number of permanents and/or discard cards from his/her hand equal to the combat damage that would be dealt. Then prevent an amount of combat damage equal to the total number of permanents sacrificed and cards discarded.