Winter's Claim

Choose target land and up to one target nonsnow creature. The chosen land becomes snow. Then destroy the chosen creature if its toughness is less
than or equal to the number of snow lands its controller controls.
Recover—{1}{s}, Pay 3 life. (When a creature is
put into your graveyard from the battlefield, you may
pay {1}{s} and 3 life. If you do, return this card from
your graveyard to your hand. Otherwise, exile this
card.)