Day's Undoing - The List (PLIST) M11 Whenever you cast a green

Whenever you cast a green creature spell

) Whenever an opponent casts a blue or black spell during your turn

you can be sure as silver it will be your last

Its controller creates a 2/2 blue Bird creature token with flying

target opponent may have you draw three cards

Day's Undoing - The List (PLIST) M11 Whenever you cast a greenEach player shuffles their hand and graveyard into their library, then draws seven cards. If it's your turn, end the turn. (Exile all spells and abilities from the stack, including this card. Discard down to your maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)