Necrotic Sliver

This creature gets +1/+1 as long as you control a Plains. W: Regenerate this creature.

At the beginning of your upkeep, put a spore counter on this creature. Remove three spore counters from this creature: Create a 1/1 green Saproling creature token. 1, Sacrifice a Saproling: Draw a card.

At the beginning of your upkeep, put a spore counter on this creature. Remove three spore counters from this creature: Create a 1/1 green Saproling creature token. Sacrifice a Saproling: You gain 2 life.

T: Target creature other than this creature has base power and toughness 0/2 until end of turn.

W, T, Discard a card: Creatures you control get +1/+0 until end of turn.

Choose one — • Target creature gains islandwalk until end of turn. (It can't be blocked as long as defending player controls an Island.) • Target creature gets +2/-1 until end of turn. • Target player discards a card.

Kicker 2G (You may pay an additional 2G as you cast this spell.) If this creature was kicked, it enters with three +1/+1 counters on it and with haste.

2, T: Add B for each Swamp you control.