There are a few ways to build Phyrexians, sometimes revolving around cards with infect or ones that can utilize incubate
This takes nearly every Hydra that you have access to and turns them up to eleven, doubling their value and potency
Enchanted land has " : Add one mana of any color." Enchantment - Aura Color tag templates(None) Utopia Sprawl Enchant Forest As this Aura enters, choose a color
We should also have some goblins that come with friends so lets add in [Card]Goblin Instigator[/Card], [Card]Mogg War Marshal[/Card], [Card]Beetleback Cheif[/Card], [Card]Marsh Flitter[/Card], [Card]Siege-Gang Commander[/Card], [Card] Goblin Goliath[/Card] and [Card]Wort, the Raidmother[/Card]
Thats a conversation for another day, but Platoon Dispenser is a fun way to do it