Arkshredder

Trample
At the beginning of your upkeep, choose one.
— {1}{t} Arkshredder gets +1/+X where X is the amount of permanents in each player's graveyard divided by 4 rounded down.
— {4} Destroy all vehicles.
— {9} Destroy all lands.
{line} {10} Arkshredder gains "Whenever this creature
deals damage to an opponent, that opponent loses
the game." until end of turn.