Thankfully, you might already have Evolved Sleeper if you play Arena since it sees play in various tier black decks, so hopefully you won't have to spend wildcards to get it
In the green class enchantments defense, it just distributes +1/+1 counters as you play the game, provides minor ward protection to the cards you're growing, and the final mode does give your planeswalkers double loyalty on a plus ability

Blazing Archon Borborygmos Bronze Bombshell Burn Bright Burning-Tree Emissary Burning-Tree Shaman Call of the Conclave Cinder Elemental Collar the Culprit Crash Landing Daggerclaw Imp Decimate Duskana, the Rage Mother Feral Maaka Fortress Cyclops Frenzied Tilling Furious Spinesplitter Ghor-Clan Bloodscale Ghor-Clan Rampager Ghor-Clan Savage Goblin Anarchomancer Gruul Charm Gruul Cluestone Gruul Locket Gruul Nodorog Gruul Scrapper Gruul Signet Gruul War Chant Gruul War Plow Harried Dronesmith Maniacal Rage Mindstatic Ordruun Veteran Predator's Rapport Primal Visitation Rubble Reading Rubblebelt Boar Rubblebelt Maaka Rubblebelt Raiders Rubblebelt Recluse Rubblebelt Runner Rumbling Slum Savage Smash Savage Surge Savage Twister Scab-Clan Giant Selesnya Sentry Signal the Clans Skarrg, the Rage Pits Skinbrand Goblin Skylasher Structural Collapse Turret Ogre Warped Physique Wasteland Viper Weight of Spires Zhur-Taa Ancient

these effects are fairly expensive and generally sorcery speed, so cards like Swan Song and Counterspell are perfect answers
Level 2 Design: A Simple Trigger Surveillance lets you Extort people
So, this isn't per se, "card draw" but card advantage massively