yugioh dragon summoning cards Yu-Gi-Oh Card - SDDC-EN013 trading and collectible card game (TCG/CCG) Dragon's Mirror | Yu-Gi-Oh! Wiki

Then the two-cost uncommon instant will dig three and draw like a less digging Impulse

With not many Monsters having graveyard effects, there was no real danger in sending one or two cards to the graveyard

I have a mono red devotion list with equivalent cards to Leatherback Baloth if you are curious

Serum Visions, Opt, Sleight of Hand and Cling to Dust have all made the deck at some point, but none of the Modern cantrips are quite strong enough to match the consistency of something like Ponder

The rest is a smattering of +1/+1 counter cards like Hardened Scales, as well as some nice staples like Farewell and Three Visits