Tana, the Bloodsower

an Elf attacks — 449 cards in Tana's colors can cause this (Tana is one).

When Tana, the Bloodsower attacks:

1. Celeborn the Wise — scries
2. Arboreal Alliance — triggers

a nontoken Elf enters the battlefield — 452 cards in Tana's colors can cause this (Tana is one).

1. Wirewood Hivemaster — When Tana, the Bloodsower enters, Wirewood Hivemaster makes a token

an Elf enters the battlefield — 467 cards in Tana's colors can cause this (Tana is one).

When Tana, the Bloodsower enters:

1. Wolverine Riders — gains you its toughness life
2. Elvish Warmaster — makes a token
3. Elvish Vanguard — puts a +1/+1 counter on itself
4. Marwyn, the Nurturer — puts a +1/+1 counter on itself
5. Woodland Weavemaster — gets +1/+1

provide a creature to sacrifice — 971 cards in Tana's colors can cause this.

1. Birthing Ritual — Tana, the Bloodsower makes fodder for Birthing Ritual
2. Industrial Advancement — Tana, the Bloodsower makes fodder for Industrial Advancement
3. Killer Instinct — Tana, the Bloodsower makes fodder for Killer Instinct
4. Divergent Transformations — Tana, the Bloodsower makes fodder for Divergent Transformations
5. Transmogrify — Tana, the Bloodsower makes fodder for Transmogrify

966 other cards cause it too. These are the ones with the most connections.

a token enters the battlefield — 1,410 cards in Tana's colors can cause this (Tana is one).

When a Saproling enters thanks to Tana, the Bloodsower:

1. Cloakwood Swarmkeeper — puts a +1/+1 counter on itself
2. Woodland Champion — puts that many +1/+1 counters on itself
3. Wildwood Mentor — puts a +1/+1 counter on itself

a token is created — 1,411 cards in Tana's colors can cause this (Tana is one).

1. Idol of Oblivion — When Tana, the Bloodsower makes a Saproling token, Idol of Oblivion draws you 1 card

6 other cards care about it too. These are the ones with the most connections.

a creature attacks — 6,617 cards in Tana's colors can cause this (Tana is one).

When Tana, the Bloodsower attacks:

1. Adaptive Omnitool — searches a library
2. Staff of Titania — makes a token
3. Fractal Harness — puts counters on a permanent
4. Inquisitorial Rosette — makes a token
5. Saw — sacrifices a creature
6. Ultima Weapon — kills a creature an opponent controls
7. Total War — kills a creature
8. The Spear of Leonidas — triggers
9. Norin the Wary — flickers itself
10. Throwing Knife — sacrifices itself

80 other cards care about it too. These are the ones with the most connections.

anything attacks — 6,617 cards in Tana's colors can cause this (Tana is one).

When Tana, the Bloodsower attacks:

1. ED-E, Lonesome Eyebot — puts a quest counter on itself
2. Misty Mountains Raider — puts 2 counters on a Goblin or Army
3. Razorkin Hordecaller — makes a token
4. War Effort — makes a token
5. Campsite Cuisine — sacrifices a Food
6. Toph, Earthbending Master — puts a counter on a permanent
7. Inti, Seneschal of the Sun — triggers
8. Gut, True Soul Zealot — sacrifices a creature or artifact
9. Cool but Rude — draws and discards
10. Swashbuckler Extraordinaire — sacrifices a Treasure

32 other cards care about it too. These are the ones with the most connections.

a creature blocks — 6,617 cards in Tana's colors can cause this (Tana is one).

When Tana, the Bloodsower blocks:

1. Barrow-Blade — strips abilities
2. Heat of Battle — deals 1 damage
3. Battle Strain — deals 1 damage
4. Favor of the Woods — gains you 3 life
5. Gift of the Woods — gives +0/+3
6. Noxious Assault — puts a counter on a permanent
7. Ferocity — puts a counter on a permanent
8. Mammoth Harness — grants first strike
9. Tide of War — sacrifices a creature
10. Dead-Iron Sledge — kills a creature

2 other cards care about it too. These are the ones with the most connections.

a creature is cast — 6,650 cards in Tana's colors can cause this (Tana is one).

When Tana, the Bloodsower is cast:

1. Primeval Bounty — makes a token
2. Dancing from Dark to Dawn — puts that spell's mana value counters on a creature
3. Summon: Fenrir — it arrives with counters thanks to Summon: Fenrir
4. Summon: Brynhildr — grants haste
5. Mona Lisa, Ever Adaptable — makes a token
6. Herald of Ilharg — puts 2 +1/+1 counters on itself
7. Champions of the Perfect — draws you 1 card
8. Masked Admirers — returns itself from the graveyard
9. Primordial Sage — draws you 1 card
10. Silverback Elder — triggers

38 other cards care about it too. These are the ones with the most connections.

a nontoken creature enters the battlefield — 6,738 cards in Tana's colors can cause this (Tana is one).

When Tana, the Bloodsower enters:

1. Dual Nature — makes a token
2. Bramble Sovereign — makes a token
3. Soul of the Harvest — draws you 1 card

12 other cards care about it too. These are the ones with the most connections.

a creature enters the battlefield — 7,276 cards in Tana's colors can cause this (Tana is one).

1. Slash, Reptile Rampager — When a Saproling enters thanks to Tana, the Bloodsower, Slash, Reptile Rampager deals 2 damage
2. Gimli of the Glittering Caves — When Tana, the Bloodsower enters, Gimli of the Glittering Caves puts counters on a permanent
3. Legolas Greenleaf — When Tana, the Bloodsower enters, Legolas Greenleaf puts a counter on a permanent
4. Wingnut, Bat on the Belfry — When a Saproling enters thanks to Tana, the Bloodsower, Wingnut, Bat on the Belfry grants flying, haste and menace
5. Raphael, Most Attitude — When a Saproling enters thanks to Tana, the Bloodsower, Raphael, Most Attitude exiles a card from your library

134 other cards care about it too. These are the ones with the most connections.