mtg card one ring The FOIL Life Counter Abacus-style then draw a card for each burden counter on The One Ring. Post Malone buys The One

Whenever a creature enchanted by an Aura with umbra armor would be destroyed, you instead remove all damage and destroy the Aura, so targeted destroy-based removal spells are no longer a 2-for-1

Casting Cost: Card Type: Creature - Elder Dragon Power / Toughness: 6 / 5 Card Text: Flying Whenever this creature deals combat damage to a player, roll a d20

Ideally this makes Tracker a card you make behind the curve which in turn means you ideally don't want to think of him as a 3 drop but more of a psuedo CMC+1 drop like Aetherling or Glen Elandra Archamge

Cloudshredder Sliver and Shifting Sliver make your sliver creatures harder to block