Teferi, Time Master

: You may cast spells if they had flash, Instant and Sorcery cards cost 1 less to cast
+1: Draw Cards equal to the number of Instant and Sorcery cards in your graveyard. Add 3 mana of any color
-X: Search your library for X number of instants and sorcery cards put them in your hand, then play them this turn without paying their mana cost