mtg omen cards of the Sea Theros Beyond Death (THB) Common Magic #058/254 Unplayed the player casts it without paying its mana cost if able. TR&CI 173: Omens & Harmonize

It also hearkens back to the original one-mana legendary pup Isamaru, Hound of Konda, which may or may not be his ancestor

Standing in for the group will be the most game-breaking one of the bunch, especially if it were legendary, and my personal favorite: Soulfire Grand MasterSoulfire Grand Master

Legendary Creature - Elemental Dinosaur Cat Winota, Joiner of Forces Whenever a non-Human creature you control attacks, look at the top six cards of your library

Keep experimenting and try out all kinds of other cool combos and plays, and you will restore the world from Ruin in no time.

Beyond that, you can dissuade blocks, burn your own creatures for extra card draw, or even ping opposing blockers and swing in with massive creatures to punish their blocks