Whenever an opponent discards a noncreature, nonland card, draw a card. The idea, then, is to make your opponents constantly discard cards all the while you are generating zombies and drawing cards yourself
The 3-drop will make a Snake of the 1/1 deathtouch variety each upkeep, as long as you don't control a Snake
I used to do a lot of business with Troll and Toad years ago, as their prices on single cards were usually excellent, and TCGPlayer wasnt the default TCG marketplace juggernaut it is now
Then there are heaps of evergreen mechanics
Any of these layers can have ink composition/application issues resulting in low or missing ink entirely
The first time this happens after the Wardens go Super Sayan is turn 8 (6 mana to activate Wardens ability + 2 mana to activate Elixirs lifegain)