"Masters 25", +=4 (10)
When Baloth Null enters, return up to two target creature cards from your graveyard to your hand.
Lifelink
, , Sacrifice another creature: Brion Stoutarm deals damage equal to the sacrificed creature's power to target player or planeswalker.
: Chartooth Cougar gets +1/+0 until end of turn.
Mountaincycling (, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)
: Add .
Forestcycling (, Discard this card: Search your library for a Forest card, reveal it, put it into your hand, then shuffle.)
Whenever you cycle or discard another card, Horror of the Broken Lands gets +2/+1 until end of turn.
Cycling (, Discard this card: Draw a card.)
Flying
Whenever another creature dies, you may draw a card. If you do, discard a card.
Whenever you draw a card, Niv-Mizzet, the Firemind deals 1 damage to any target.
: Draw a card.
Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
At the beginning of your upkeep, you may search your library for a Rat card, reveal it, put it into your hand, then shuffle.
When Self-Assembler enters, you may search your library for an Assembly-Worker creature card, reveal it, put it into your hand, then shuffle.
: Target creature gets +5/+5 and gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)
Gatherer works better in the Companion app!