mtg cards like eternal witness you may return target card from your graveyard to your hand. MTGNexus - Eternal Witness

Wan Shi Tong, Librarian is an important part of the strategy, also capable of flashing in at any time

But hey, as most modal cards have proven time after time, simply having another option always provides better responses for more situations

You should always check with your playgroup to make sure they're okay with any cards/deck you're running as a general rule of thumb

I like that Howlpack Resurgence can be used as a combat trick and that trample can help with triggering Tovolar, Dire Overlord

Suspicious Stowaway is one such werewolf, an unblockable blue 1/1 with Daybound that can draw its controller a card if it deals combat damage to a player, then causing that player to discard a card