Primordial Hydra
{X}{G}{G}
Creature -- Hydra
0/0
~this~ enters with X +1/+1 counters on it.
At the beginning of your upkeep, double the number of +1/+1 counters on ~this~.
~this~ has trample as long as it has ten or more +1/+1 counters on it.
Solarion
{7}
Artifact Creature -- Construct
0/0
Sunburst (This enters with a +1/+1 counter on it for each color of mana spent to cast it.)
{T}: Double the number of +1/+1 counters on ~this~.