Maelstrom Pulse and friends to the rescue
There is plenty of space for additional cards, along with extra supplies as needed
Action cards such as Dragon Fire and Stampede allow you to disrupt your opponents plans by damaging and banishing their characters, while the Evasive ability of characters such as Peter Pan, Never Landing and Pongo, Ol' Rascal means you can quest safely until your opponent plays their own Evasive character able to challenge the cards
(It can't be blocked except by two or more creatures.) Bear Cub Rarity: Common TYPE: Creature SUBTYPE: Bear CMC: 2 Mana cost: USD: $0.54 EUR: 0.70 TIX: 0.03 EDHREC RANK: 10444 (2/2) Beast-Kin Ranger Rarity: Common TYPE: Creature SUBTYPE: Elf Ranger CMC: 3 Mana cost: USD: $0.11 EUR: 0.05 TIX: 0.03 EDHREC RANK: 15197 (3/3) Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Whenever another creature you control enters, this creature gets +1/+0 until end of turn
Theres a growing subset of creatures who balance out a lower-than-usual cost by entering play asleep with a bunch of stun counters on them: copy them with Alteration, and you can turn your 1/1 into a full-power Arixmethes or The Watcher in the Water
Of course, playing Ninjas is on the table, because you get to use Ninjutsu to trigger the creation of Dragon tokens