mtg cards you can have more than 4 of Four, Three, Two, One: How Many Copies Do Run? You gain that much life. Kefnet the Mindful x 4

The Grave-Troll could have been a 0/0 and it would have seen just as much play Golgari Grave-Troll and other Dredge creatures being used to fuel a dedicated Dredge strategy was first proposed by John Rizzo, who envisioned using a critical mass of Dredge cards to allow him to quickly cycle through his deck and finding Ichorids

I just wanted to suggest cards and maybe you will find one or two of them helpful/useful

The wider your board gets, the more effective each spell you cast on Zada is

You can copy artifacts with Replication Specialist and then animate them with Katsumasa, the Animator

You can take advantage of useful mana abilities in MTG that let your creatures produce mana themselves to help with casting bigger spells

Thinking about it, he'd be perfect with the new Omen dragon cards from Tarkir Dragonstorm