mtg foundations cards to look for Building Foundations: Something New Chase Cards in Foundations? :

No graphic design experience is needed

8 Vigor Powerful +1/+1 Counter Enabler Giving all of your creatures Phytohydras ability prevent all damage to your creatures and put a +1/+1 counter on them for each point of damage prevented is fairly big gains, and thats exactly what this green Incarnation from the Lorwyn cycle does

Clear busted combos in Commander, but casting this kindred enchantment in Modern is no easy feat

Depending on the colors of your deck you have a few options available to you

Lumra is in many ways the perfect card for the Simic Elementals Ramp deck I talk about here

5 Mental Misstep Phyrexian Mana Has Never Been Better A card that employs overpowered Phyrexian mana (either two life or one mana of a specific color), this counterspell is almost always more effective as a surprise option that will cost you two life and also likely win you a counterspell war if employed in a timely manner