Infinite tokens

[Poof]

Xenograft naming humans avacyns collar and puresteel paladin with some spirits.  You can keep saccing a spirit token with a collar and it just produces another

[BlackJester]

{Xenograft} naming humans {avacyn's collar} and {puresteel paladin} with some spirits.  You can keep saccing a spirit token with a collar and it just produces another

[Poof]

You can make creatures like unruly mob go infinite

[Sagemaster]

You can make creatures like {unruly mob} go infinite

[ChrisRodriguez]

{Xenograft} naming humans {avacyns collar} and {puresteel paladin} with some spirits.  You can keep saccing a spirit token with a collar and it just produces another

What is your sac outlet?

[BlackJester]

Toss in a {Requim Angel} for good measure.

[NillaWafers]

I know this isn't infinite but it's awfully funny:

{Doubling Season}
{Parallel Lives}
{Paradox Haze}
{Mirror-Sigil Sergeant}

Start doing the math... I dare you   

Hard mode is having a play set of each on the field (except for the Rhino) and then play the Sergeant (one). And see how many you'll have at in 2 turns.

[Kiki-Jiki, Mirror Breaker]

LOLZ!

[BlackJester]

I know this isn't infinite but it's awfully funny:

{Doubling Season}
{Parallel Lives}
{Paradox Haze}
{Mirror-Sigil Sergeant}

Start doing the math... I dare you   

Dare excepted!

T1: 1+1*2*2*2=9
T2: 9+9*2*2*2=81
T3: 81+81*2*2*2= 729
n=9^T
Where n is the number of sergeants on the battlefield after resolution
T is the number of turns passed.

HARD MODE!?!?!  Wait til I get off the can! 🚽 then I'll bust some MAD algebra skillz

[darkarts981]

I know this isn't infinite but it's awfully funny:

{Doubling Season}
{Parallel Lives}
{Paradox Haze}
{Mirror-Sigil Sergeant}

Start doing the math... I dare you   

Hard mode is having a play set of each on the field (except for the Rhino) and then play the Sergeant (one). And see how many you'll have at in 2 turns.

That's just crazed!

[BlackJester]

Okay, HARD MODE;

4x{Doubling Season}
4x{Parallel Evolution}
4x{Paradox Haze} (I'll assume you are the enchanted one)
In play, cast one rhino on main phase. What happens two turn later (assuming no one dies in the mean time)

1st turn
Upkeep1 - 1*32*32+1= 1025
Upkeep2 - 1025*32^2+1025= 1050625
Upkeep3 - 1050625*32^2+1050625= a lot... I'll be back with a solution for an arbitrary number of turns.

[Poof]

I want to use xenograft in some way this is the best I've come up with so far.  What creature type would get the best benefit in the current standard.  I'm thinking have everything be spirits and become hexproof with the captain any other xenograft ideas?

[Kiki-Jiki, Mirror Breaker]

Xenograft+{Priest of Titania}

[remasuri ger]

Xenograft+{Priest of Titania}

{elvish guidance}

[NillaWafers]

{Arbor Elf} too! Plzkthx.