Essentially, it was a threshold that triggers once an opponent has gained three or more poison counters - meaning there was value in just a smidgen of poison, as well as a lethal dose
What cards are similar to Keen Sense
On one hand you make use of extra lands you don't really need
Decklist: Naya Slivers in Planechase Norn's Dominion | Illustration by Igor Kieryluk Creatures (27) Predatory Sliver x4 Sinew Sliver x4 Manaweft Sliver x3 Cloudshredder Sliver x3 Crystalline Sliver x3 Bonescythe Sliver x2 Brood Sliver x2 Spiteful Sliver x2 Constricting Sliver x2 Muscle Sliver x2 Instants (5) Rally the Peasants x3 Swords to Plowshares x2 Enchantments (3) Lands (25) Temple Garden x4 Stomping Ground x4 Sacred Foundry x4 Jungle Shrine x4 Evolving Wilds x4 Forest x2 Plains x2 Mountain Planes (10) Littjara Riptide Island Shiv Norn's Dominion The Pit Megaflora Jungle Chaotic Aether Time Distortion Agyrem Naya Let's take a look at a tribal deck and play to its strengths
During the opponent's Standby Phase, Dogma cuts the opponent's life points in half, which means it happens before the opponent can even properly take their turn
Glimpse of Nature Whenever you cast a creature spell this turn, draw a card Last March of the Ents This spell cant be countered Draw cards equal to the greatest toughness among creatures you control, then put any number of creature cards from your hand onto the battlefield Lifes Legacy As an additional cost to cast this spell, sacrifice a creature Draw cards equal to the sacrificed creatures power Rishkars Expertise Draw cards equal to the greatest power among creatures you control You may cast a spell with mana value 5 or less from your hand without paying its mana cost Budget There are some might fine cards that fall in the budget category of green card draw sorcery spells