turn 1, 10 infect <--- win

As an additional cost to cast this spell, pay X life. Target creature gets +X/+0 until end of turn.

Add .

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Lifelink (Damage dealt by this creature also causes you to gain that much life.)