However, its real strength is the fact that whenever you cast or copy an instant or a sorcery spell, you get to create a Treasure token, which you can sacrifice for any colour of mana you want, whenever you want
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
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
Level 2 Design: A Simple Trigger Surveillance lets you Extort people
these effects are fairly expensive and generally sorcery speed, so cards like Swan Song and Counterspell are perfect answers
So, this isn't per se, "card draw" but card advantage massively
