Modular--Sunburst (This creature enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it. When it dies, you may put its +1/+1 counters on target artifact creature.)
0 /
0
{3}
Baton of Courage
Artifact
Flash
Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.)
Remove a charge counter from Baton of Courage: Target creature gets +1/+1 until end of turn.
{3}{U}
Brilliant Spectrum
Sorcery
Converge -- Draw X cards, where X is the number of colors of mana spent to cast this spell. Then discard two cards.
{3}{G}{U}
Bring to Light
Sorcery
Converge -- Search your library for a creature, instant, or sorcery card with mana value less than or equal to the number of colors of mana spent to cast this spell, exile that card, then shuffle. You may cast that card without paying its mana cost.
{5}
Clearwater Goblet
Artifact
Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.)
At the beginning of your upkeep, you may gain life equal to the number of charge counters on Clearwater Goblet.
{4}
Crystalline Crawler
Artifact Creature - Construct
Converge -- Crystalline Crawler enters with a +1/+1 counter on it for each color of mana spent to cast it.
Remove a +1/+1 counter from Crystalline Crawler: Add one mana of any color.
{T}: Put a +1/+1 counter on Crystalline Crawler.
1 /
1
{X}
Engineered Explosives
Artifact
Sunburst (This enters with a charge counter on it for each color of mana spent to cast it.)
{2}, Sacrifice Engineered Explosives: Destroy each nonland permanent with mana value equal to the number of charge counters on Engineered Explosives.
{4}
Etched Oracle
Artifact Creature - Wizard
Sunburst (This enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.)
{1}, Remove four +1/+1 counters from Etched Oracle: Target player draws three cards.
0 /
0
{4}{U}
Exert Influence
Sorcery
Converge -- Gain control of target creature if its power is less than or equal to the number of colors of mana spent to cast this spell.
{4}{G}
Glinting Creeper
Creature - Plant
Converge -- Glinting Creeper enters the battlefield with two +1/+1 counters on it for each color of mana spent to cast it.
Glinting Creeper can't be blocked by creatures with power 2 or less.
0 /
0
{5}
Heliophial
Artifact
Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.)
{2}, Sacrifice Heliophial: It deals damage equal to the number of charge counters on it to any target.
{3}{G}
Infuse with the Elements
Instant
Converge -- Put X +1/+1 counters on target creature, where X is the number of colors of mana spent to cast this spell. That creature gains trample until end of turn.
{4}
Infused Arrows
Artifact
Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.)
{T}, Remove X charge counters from Infused Arrows: Target creature gets -X/-X until end of turn.
{1}{U}{R}{W}
Jodah, Archmage Eternal
Legendary Creature - Human Wizard
Flying
You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells that you cast.
4 /
3
{1}{R}
Kaleidoscorch
Sorcery
Converge -- Kaleidoscorch deals X damage to any target, where X is the number of colors of mana spent to cast this spell.
Flashback {4}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{7}
Lunar Avenger
Artifact Creature - Golem
Sunburst (This enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.)
Remove a +1/+1 counter from Lunar Avenger: Lunar Avenger gains your choice of flying, first strike, or haste until end of turn.
2 /
2
{4}
Opaline Bracers
Artifact - Equipment
Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.)
Equipped creature gets +X/+X, where X is the number of charge counters on Opaline Bracers.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)
{2}{B}
Painful Truths
Sorcery
Converge -- You draw X cards and you lose X life, where X is the number of colors of mana spent to cast this spell.
{2}
Pentad Prism
Artifact
Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.)
Remove a charge counter from Pentad Prism: Add one mana of any color.
{4}{U}
Prism Array
Enchantment
Converge -- Prism Array enters the battlefield with a crystal counter on it for each color of mana spent to cast it.
Remove a crystal counter from Prism Array: Tap target creature.
{W}{U}{B}{R}{G}: Scry 3. (Look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)
{X}{W}
Prismatic Ending
Sorcery
Converge -- Exile target nonland permanent if its mana value is less than or equal to the number of colors of mana spent to cast this spell.
{4}{B}
Radiant Epicure
Creature - Vampire Wizard
Converge -- When Radiant Epicure enters the battlefield, each opponent loses X life and you gain X life, where X is the number of colors of mana spent to cast this spell.
5 /
5
{2}{R}
Radiant Flames
Sorcery
Converge -- Radiant Flames deals X damage to each creature, where X is the number of colors of mana spent to cast this spell.
{3}{U}
Roilmage's Trick
Instant
Converge -- Creatures your opponents control get -X/-0 until end of turn, where X is the number of colors of mana spent to cast this spell.
Draw a card.
{6}
Sawtooth Thresher
Artifact Creature - Construct
Sunburst (This enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.)
Remove two +1/+1 counters from Sawtooth Thresher: Sawtooth Thresher gets +4/+4 until end of turn.
1 /
1
{3}{G}
Shard Convergence
Sorcery
Search your library for a Plains card, an Island card, a Swamp card, and a Mountain card. Reveal those cards, put them into your hand, then shuffle.
{5}
Skyreach Manta
Artifact Creature - Fish
Sunburst (This enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.)
Flying
0 /
0
{X}{G}{U}
Skyrider Elf
Creature - Elf Warrior Ally
Flying
Converge -- Skyrider Elf enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.
0 /
0
{7}
Solarion
Artifact Creature - Construct
Sunburst (This enters the battlefield 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 Solarion.
0 /
0
{5}
Spinal Parasite
Artifact Creature - Insect
Sunburst (This enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.)
Remove two +1/+1 counters from Spinal Parasite: Remove a counter from target permanent.
-1 /
-1
{9}
Suncrusher
Artifact Creature - Construct
Sunburst (This enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.)
{4}, {T}, Remove a +1/+1 counter from Suncrusher: Destroy target creature.
{2}, Remove a +1/+1 counter from Suncrusher: Return Suncrusher to its owner's hand.
3 /
3
{3}
Suntouched Myr
Artifact Creature - Myr
Sunburst (This enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.)
0 /
0
{X}{U}{U}
Sweep the Skies
Sorcery
Converge -- Create a 1/1 colorless Thopter artifact creature token with flying for each color of mana spent to cast this spell.
{2}{G}
Tajuru Stalwart
Creature - Elf Scout Ally
Converge -- Tajuru Stalwart enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.
0 /
1
{3}{W}
Unified Front
Sorcery
Converge -- Create a 1/1 white Kor Ally creature token for each color of mana spent to cast this spell.
{3}{G}
Woodland Wanderer
Creature - Elemental
Vigilance, trample
Converge -- Woodland Wanderer enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.