Mathas, Fiend Seeker

Menace
At the beginning of your end step, put a bounty counter on target creature an opponent controls. For as long as that creature has a bounty counter on it, it has "When this creature dies, each opponent draws a card and gains 2 life."
Card Type Breakdown
Land
36 cards
Artifact
9 cards
Enchantment
21 cards
Instant
7 cards
Creature
16 cards
Sorcery
9 cards
Planeswalker
0 cards
Frequent Cards
Land
Nomad Outpost 93%
Evolving Wilds 71%
Command Tower 67%
Terramorphic Expanse 60%
Exotic Orchard 55%
Scoured Barrens 50%
Tainted Field 43%
Boros Garrison 40%
Orzhov Basilica 40%
Orzhov Guildgate 40%
Artifact
Orzhov Signet 74%
Boros Signet 71%
Rakdos Signet 64%
Sol Ring 64%
Commander's Sphere 43%
Talisman of Hierarchy 40%
Talisman of Conviction 38%
Prismatic Lens 29%
Fellwar Stone 24%
Bloodthirsty Blade 24%
Enchantment
Curse of Exhaustion 71%
Torment of Scarabs 71%
Ghostly Prison 71%
Cruel Reality 69%
Curse of Opulence 69%
Curse of Misfortunes 67%
Curse of Vitality 64%
Curse of Bloodletting 64%
Sphere of Safety 64%
Curse of Disturbance 64%
Instant
Despark 69%
Crackling Doom 62%
Mortify 52%
Swords to Plowshares 43%
Terminate 40%
Anguished Unmaking 38%
Generous Gift 33%
Rakdos Charm 31%
Return to Dust 29%
Utter End 26%
Creature
Xantcha, Sleeper Agent 62%
Heliod's Pilgrim 57%
Bounty Hunter 57%
Mesa Enchantress 50%
Tiana, Ship's Caretaker 45%
Baird, Steward of Argive 45%
Danitha Capashen, Paragon 43%
Starfield Mystic 43%
Bitterheart Witch 38%
Windborn Muse 36%
Sorcery
Diabolic Tutor 55%
Three Dreams 45%
Blasphemous Act 43%
Merciless Eviction 43%
Fumigate 38%
Read the Bones 38%
Open the Vaults 29%
Disrupt Decorum 29%
Divine Reckoning 26%
Sign in Blood 24%
Planeswalker
Ob Nixilis Reignited 5%
Liliana, Dreadhorde General 2%
Liliana Vess 2%
Nahiri, the Lithomancer 2%
Liliana of the Veil 2%
Elspeth, Sun's Champion 2%
Ob Nixilis, the Hate-Twisted 2%
Chandra, Acolyte of Flame 2%
Liliana of the Dark Realms 2%
Sorin, Vengeful Bloodlord 2%