Battle of the Atlantic

Create two 3/3 battleship artifact creature
tokens with crew 2 and "Whenever this
creature deals combat damage to a player,
draw a card, then discard a card."
Battle (When you attack with 3 or more creatures, you may exile this card from your graveyard. If you do, you may cast it from exile
for as long as it remains exiled. Spells cast this
way is exiled instead.)