Surveil 1, then draw a card. Exile Harbor Mail with a stamp counter on it. When you cast a spell for its surface cost, if Harbor Mail is exiled with a stamp counter, you may pay {U} and put it into your graveyard. If you do, surveil 1, then draw a card.
Target creature you control deals damage equal to its power to target creature. If this spell's flashback cost was paid, it deals that much damage to target player instead. Flashback {4}{R}
When Harvesting Blade enters, target opponent exiles two cards from their hand. Equipped creature gets +2/+1 and has “When this creature dies, you may cast a card exiled with Harvesting Blade with equal or lesser mana value without paying its mana cost.” Equip {3}
Choose up to one for each color among blue, black, and red among permanents you control. • Create two 2/2 colorless Minion creature tokens with decayed. • You may sacrifice a creature. If you do, draw two cards. • Until end of turn, creatures lose all abilities.