Give No Ground

Target creature gets +2/+6 until end of turn and can block any number of creatures this turn.

Guardian of the Gateless

Flying
Guardian of the Gateless can block any number of creatures.
Whenever Guardian of the Gateless blocks, it gets +1/+1 until end of turn for each creature it's blocking.

Wall of Glare

Defender (This creature can't attack.)
Wall of Glare can block any number of creatures.

Blaze of Glory

Cast this spell only during combat before blockers are declared.
Target creature defending player controls can block any number of creatures this turn. It blocks each attacking creature this turn if able.

Valor Made Real

Target creature can block any number of creatures this turn.

Ironfist Crusher

Ironfist Crusher can block any number of creatures.
Morph {3}{W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Avatar of Hope

If you have 3 or less life, this spell costs {6} less to cast.
Flying
Avatar of Hope can block any number of creatures.

Palace Guard

Palace Guard can block any number of creatures.

Thoughtweft Trio

First strike, vigilance
Champion a Kithkin (When this enters, sacrifice it unless you exile another Kithkin you control. When this leaves the battlefield, that card returns to the battlefield.)
Thoughtweft Trio can block any number of creatures.