mtg combine cards Unsanctioned Move a +1/+1 counter from target creature you control onto another target creature you control. combine-16 - Card Kingdom Blog

Additionally, Xyris provides you with 1/1 Snake tokens every time an opponent draws a card outside of their draw step

Adding Mechanics Andrews example brings us to the second important point in Splash Theory, the mechanics

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This can pair really well with other cards that give you a benefit whenever you draw any additional cards

This protection helps them stay on the board long enough to turn your small group of tokens into a large army