Mammoth Harness

Enchant creature
Enchanted creature loses flying.
Whenever enchanted creature blocks or becomes blocked by a creature, the other creature gains first strike until end of turn.

Primal Order

At the beginning of each player's upkeep, this enchantment deals damage to that player equal to the number of nonbasic lands they control.

Renewal

As an additional cost to cast this spell, sacrifice a land.
Search your library for a basic land card, put that card onto the battlefield, then shuffle.
Draw a card at the beginning of the next turn's upkeep.

Root Spider

Whenever this creature blocks, it gets +1/+0 and gains first strike until end of turn.

Roots

Enchant creature without flying
When this Aura enters, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.

Rysorian Badger

Whenever this creature attacks and isn't blocked, you may exile up to two target creature cards from defending player's graveyard. If you do, you gain 1 life for each card exiled this way and this creature assigns no combat damage this turn.

Shrink

Target creature gets -5/-0 until end of turn.

Spectral Bears

Whenever this creature attacks, if defending player controls no black nontoken permanents, it doesn't untap during your next untap step.

Homelands